Biography

Javier Lopez Moncayo, MD practices internal medicine. He attended medical school at Universidad Catolica de Santiago, completed his residency at Seton Hall University and pursued a fellowship in geriatrics. His care philosophy encompasses compassionate listening.

Dr. Lopez Moncayo originally pursued a career as a physician because he saw it as an opportunity to connect with other people. He loves practicing geriatric medicine and helping his patients across the full spectrum of care. He enjoys taking care of his patients and building true connections with them.

Dr. Lopez Moncaryo is originally from Guayaquil, Ecuador. In his free time, he enjoys yoga, spin, HIIT training, pilates and spending time with friends. He is particularly interested in preventive care, geriatric medicine, palliative care and treating behavioral health problems.

Clinical interests

Behavioral health
Geriatrics
Internal medicine
Palliative care
Preventive care

Locations

Office Hours
Sunday Closed
Monday 8 a.m. to 5 p.m.
Tuesday 8 a.m. to 5 p.m.
Wednesday 8 a.m. to 5 p.m.
Thursday 8 a.m. to 5 p.m.
Friday 8 a.m. to 5 p.m.
Saturday Closed

Education and credentials

Board certifications
American Board of Internal Medicine
Fellowship
Cleveland Clinic Hospital(Ft.Lauderdale, FL)
Medical school
Universidad Catolica de Santiago de Guayaquil
Intern/residency
Seton Hall University

Accepted insurances

We accept many major health insurance plans. Insurance plans accepted vary by doctor and can change. Please call your clinic directly to confirm what insurances are accepted.
Clinician numbers for agent use only.
Humana (2646446)
UnitedHealthcare (See payor website)

Patient Reviews

Learn about our survey
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123 Results

  • February 08, 2026

    Verfied Review

    5 out of 5 patient rating

    Dr Lopez is genuinely concerned about his patients

  • February 07, 2026

    Verfied Review

    5 out of 5 patient rating

    He's very personable and caring. Does his to listen and make you feel at ease

  • January 23, 2026

    Verfied Review

    4 out of 5 patient rating

    Exam could have been more comprehensive

  • January 23, 2026

    Verfied Review

    5 out of 5 patient rating

    I can understand him To many of the bilinguals are hard to understand and I have to request different doctors in the past Some of the nurses can be very hard to understand

  • December 04, 2025

    Verfied Review

    5 out of 5 patient rating

    He listens and takes time to answer all questions

  • December 08, 2025

    Verfied Review

    4.5 out of 5 patient rating

    Listens to questions and provides good feedback. Seems to care about his patients.

  • November 22, 2025

    Verfied Review

    5 out of 5 patient rating

    He is great.

  • November 15, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez is fantastic!

  • October 01, 2025

    Verfied Review

    5 out of 5 patient rating

    best doctor ever

  • October 01, 2025

    Verfied Review

    5 out of 5 patient rating

    He’s a great doctor great personality and listen to you and is very helpful and down to earth.

  • October 29, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez, very professional.Listen to you and explains everything to you.When he sees you takes his time, don't rush you?And I just like him as a doctor and makes you feel comfortable and explains everything to you

  • October 25, 2025

    Verfied Review

    5 out of 5 patient rating

    Dedicated, very understanding, compasionate

  • October 18, 2025

    Verfied Review

    5 out of 5 patient rating

    I like his style.

  • October 04, 2025

    Verfied Review

    5 out of 5 patient rating

    he is a caring and concerned doctor

  • September 22, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Javier Lopez Moncayo, is a very thorough doctor, he goes over everything with me & if I have any questions he always gives me an answer. He is very personable & I would recommend him to anyone that wants or needs a great doctor!

  • September 29, 2025

    Verfied Review

    5 out of 5 patient rating

    Because he is friendly,curious and direct, through, and knowledgeable. I like him, he’s a good doctor!!

  • September 26, 2025

    Verfied Review

    5 out of 5 patient rating

    Very caring and very profesional doctor . Takes care of my health needs .

  • September 16, 2025

    Verfied Review

    5 out of 5 patient rating

    Friendly and knowledgeable Dr

  • August 02, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr Lopez was very professional , kind and caring. He was very honest with me about my health issues , asked about my symptoms and promised to work with me in keeping myself healthy. He has a very good attitude and I was very impressed with him. He did not rush me out of the office. I am actually looking forward to my next visit!..

  • August 03, 2025

    Verfied Review

    5 out of 5 patient rating

    he is all about giving the patient the best heath care he can possible give

  • August 12, 2025

    Verfied Review

    5 out of 5 patient rating

    Very thorough and kind and informative

  • August 11, 2025

    Verfied Review

    5 out of 5 patient rating

    Exelent ,and very patient !

  • August 19, 2025

    Verfied Review

    4.5 out of 5 patient rating

    He is attentive and provides feedback in a positive manner

  • July 31, 2025

    Verfied Review

    5 out of 5 patient rating

    Professional and courteous. Dr Lopez listens, addresses certain issues and advises if necessary, shakes hands, polite and actually informed about his patient prior to entering the room.

  • July 15, 2025

    Verfied Review

    4.5 out of 5 patient rating

    He is personable and knowledgeable.

  • June 21, 2025

    Verfied Review

    5 out of 5 patient rating

    Very thorough kind and very professional

  • June 10, 2025

    Verfied Review

    5 out of 5 patient rating

    He is very thorough with questions and answers that I have, not rushed.

  • June 22, 2025

    Verfied Review

    3.5 out of 5 patient rating

    Have not spent enough time.Question why he felt I might collapse playing Table Tennis from a heart issue!?!?! Sent a request to know what my lab results are being compared from.No response.Felt I needed to see him sooner,than I wouldrepaired. Could be short time in speaking to one another and have not established a repoire.

  • May 23, 2025

    Verfied Review

    4.5 out of 5 patient rating

    Need more time to better assess his performance. Have only seen him a couple times & don’t know him well. Based on limitation, I feel that he did a very good job & covered all aspect of purpose of visit.

  • May 15, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Javier A Lopez Moncayo does a very thorough job as a doctor. Reviews all of my meds & test reports. Answers all of my questions & gives me good recommendations in helping me with my diabetes.. I highly recommend him!

  • May 01, 2025

    Verfied Review

    5 out of 5 patient rating

    He listen to tha patient problems very carefully and give good advice.

  • May 22, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez is very caring and always prepared for my visits. He takes the time to answer and/or research any questions I may have. He is very knowledgeable about my health and always follows up when recommending medications or treatment.

  • April 24, 2025

    Verfied Review

    5 out of 5 patient rating

    He takes care of my health problems, listens to me and he is an excellent doctor , knowledgeable .

  • April 24, 2025

    Verfied Review

    5 out of 5 patient rating

    Friendly, attentive, listens & communicates well & professional.

  • April 09, 2025

    Verfied Review

    5 out of 5 patient rating

    He was very caring

  • April 13, 2025

    Verfied Review

    5 out of 5 patient rating

    He listens to you when he sees you.He's courteous he's professional and he explains everything to you in a manner that you can understand

  • April 22, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez Moncayo is an excellent geratric doctor. He covers things that were never discussed before.

  • April 23, 2025

    Verfied Review

    5 out of 5 patient rating

    He’s a great carrying doctor with a great personality. He easy to talk to and is theiral

  • April 06, 2025

    Verfied Review

    5 out of 5 patient rating

    Very friendly,attentive to all my medical concerns, explains most clearly to put my concerns at ease,to make sense of my worries, and find solutions with recommendations.

  • April 02, 2025

    Verfied Review

    4.5 out of 5 patient rating

    I really like the Doctor

  • April 12, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez use a caring, thorough, holistic approach. I was very satisfied with my office visit.

  • April 07, 2025

    Verfied Review

    5 out of 5 patient rating

    He explains things well, both what he observed during the visit and comparing it to previous visits.

  • April 11, 2025

    Verfied Review

    3.5 out of 5 patient rating

    My wife has had serious pain, and nothing has been done to relieve it so that she can sleep at night. She calls me several times each night to try to get in a comfortable position to sleep.

  • April 08, 2025

    Verfied Review

    4 out of 5 patient rating

    Interested in helping me and planning the future

  • March 30, 2025

    Verfied Review

    5 out of 5 patient rating

    So far he is thoughtful, perfect.

  • March 16, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez is very attentive and knowledgeable. He talks to you and allows you to tell your story and ask questions without making you feel that "the clock is ticking". He will even call and check on you when he feels it's necessary. He's absolutely awesome.

  • March 31, 2025

    Verfied Review

    5 out of 5 patient rating

    Great listener and took the time to discuss all the issues at hand..

  • March 31, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr Lopez changed my meds and changed my life! I will always be grateful to him!

  • February 06, 2025

    Verfied Review

    4.5 out of 5 patient rating

    He listened than gave solutions and set goals for my better health.

  • February 02, 2025

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez has been there for me in 2024 when I needed medical attention. He is caring, a good listener, goes out of his way to help with the right solutions for my ailments. I am sure if I recommended him to a friend or family member, the care would be the same.

  • January 29, 2025

    Verfied Review

    5 out of 5 patient rating

    He is very attentive & thorough in caring for my health needs.

  • January 02, 2025

    Verfied Review

    5 out of 5 patient rating

    Professional, knowledgeable & attentive

  • January 30, 2025

    Verfied Review

    4 out of 5 patient rating

    Only had 1 visit & totally satisfied & impressed with first visit. Need to have more exposure & experience before I can recommend him more stronger than I did.

  • December 17, 2024

    Verfied Review

    3.5 out of 5 patient rating

    See my first comment at the start of this survey!

  • December 09, 2024

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez paid attention to my issues and did something about it. He really cares about his patients. I was not feeling great for months before I saw Dr. Lopez. He changed my medications and I felt like I shed 30 years! I pray Dr. Lopez stays at Optum for many many years.

  • December 06, 2024

    Verfied Review

    5 out of 5 patient rating

    I would highly recommend him.

  • November 28, 2024

    Verfied Review

    5 out of 5 patient rating

    Professional, knowlegeable, & concerned with any conditions or questions I may have.

  • November 01, 2024

    Verfied Review

    5 out of 5 patient rating

    Por su excelencia en su servicio. Su conocimiento y sobretodo su atención. Escucha y responde a mis necesidades, preocupaciones con gran atención. .

  • November 19, 2024

    Verfied Review

    5 out of 5 patient rating

    He’s professional, knowledgeable , efficient and kind.

  • October 15, 2024

    Verfied Review

    5 out of 5 patient rating

    He listen to my needs went i need treatment and referrals for specialist or anythinh regarding medical treatment.

  • August 14, 2024

    Verfied Review

    5 out of 5 patient rating

    Very efficient and explains things in a way I can understand.

  • August 09, 2024

    Verfied Review

    5 out of 5 patient rating

    He is a doctor who shows that he cares about your wellbeing. He takes the time to talk and explain things to you and he listens to what you have to say and answers any questions you may have. I've never had a problem seeing him even though sometimes it's the same day. It's been a long time since I've had a doctor to take the time to call me himself and I greatly appreciate that.

  • August 14, 2024

    Verfied Review

    5 out of 5 patient rating

    no very knowledgeable

  • August 18, 2024

    Verfied Review

    5 out of 5 patient rating

    he is a really good doctor. I takes good care of me

  • December 08, 2023

    Verfied Review

    5 out of 5 patient rating

    Warm, caring, dedicated and listens to your concerns and create a plan to resolve problem - very intelligent and knowledgeable of my condition.

  • December 01, 2023

    Verfied Review

    5 out of 5 patient rating

    When my doctor died I was very uncomfortable with a new doctor. Dr. Lopez proved me wrong after my first visit! Now I feel wonderful that he is my doctor. Very good! And knows what he is doing in an expert acknowledgeable way. I now truly know he is the BEST CHOICE for DR. LA FRANE.

  • December 15, 2023

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez is thorough, very knowledgeable, excellent bedside manner, professional, personable and genuinely cares about my health. I am very happy and honored to have such a doctor!

  • December 27, 2023

    Verfied Review

    4 out of 5 patient rating

    Just get used to.

  • December 29, 2023

    Verfied Review

    5 out of 5 patient rating

    He is good doctor, he take time with the patient.

  • December 27, 2023

    Verfied Review

    5 out of 5 patient rating

    He took care of them perfectly well.

  • December 27, 2023

    Verfied Review

    5 out of 5 patient rating

    I really liked how Dr. Javier López consulted me. The times I've been there has been great. Your consultation has worked.

  • January 05, 2024

    Verfied Review

    5 out of 5 patient rating

    I am pleased with the service Optum provides.

  • November 15, 2023

    Verfied Review

    5 out of 5 patient rating

    Porque mostro mucho profesionalismo etico.

  • October 20, 2023

    Verfied Review

    5 out of 5 patient rating

    As I said, very informative and very patient and explains everything.

  • June 14, 2023

    Verfied Review

    3.6 out of 5 patient rating

    No comment

  • June 06, 2023

    Verfied Review

    5 out of 5 patient rating

    I feel very sad because my Dr will no longer be in clinic Dr Javier Lopez we will miss him a lot

  • June 29, 2023

    Verfied Review

    5 out of 5 patient rating

    *Doctor Moncayo treats me like his family & always listened to all the questions I asked him & with all pleasure I recommend the clinic to another person.

  • May 11, 2023

    Verfied Review

    5 out of 5 patient rating

    Only when some medications do not appear at the pharmacy it requested again.

  • May 20, 2023

    Verfied Review

    5 out of 5 patient rating

    Dr. Javier has always had an answer to my questions. Thank you doctor

  • May 04, 2023

    Verfied Review

    2.5 out of 5 patient rating

    Need More Experience

  • April 26, 2023

    Verfied Review

    5 out of 5 patient rating

    Everything is fine

  • March 27, 2023

    Verfied Review

    5 out of 5 patient rating

    Very good experience.

  • March 22, 2023

    Verfied Review

    5 out of 5 patient rating

    Excelente

  • February 24, 2023

    Verfied Review

    4.6 out of 5 patient rating

    I am very happy with my doctor, & I will not change him for anyone.

  • February 12, 2023

    Verfied Review

    5 out of 5 patient rating

    Dr Javier Lopez is the best doctor I have found in Years , I am [omitted] yrs old now

  • February 24, 2023

    Verfied Review

    5 out of 5 patient rating

    Everything is good

  • February 06, 2023

    Verfied Review

    5 out of 5 patient rating

    Dr Javier Lopez is excellent and very professional

  • January 24, 2023

    Verfied Review

    5 out of 5 patient rating

    The doctor reviews my medications all the time.

  • December 11, 2022

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez Montalvo was amazing. It was my first time seeing him since he was new to this office. He truly listened and was aware of my past medical history. He provided me with excellent medical feedback on my health. I was very impressed and pleased with hips care.

  • December 04, 2022

    Verfied Review

    5 out of 5 patient rating

    Listen carefully to what I say very professionally, I have felt cared for and your recommendations help me a lot

  • December 30, 2022

    Verfied Review

    4.6 out of 5 patient rating

    OK.

  • December 09, 2022

    Verfied Review

    5 out of 5 patient rating

    *Dr. Lopez is very good.

  • December 07, 2022

    Verfied Review

    5 out of 5 patient rating

    Dr. Moncayo is a great doctor. He listens and takes the time to address any issues and concerns. He is one of the reasons why I decided to keep optimum as my medical provider. This worlds needs more people like him!!

  • December 29, 2022

    Verfied Review

    5 out of 5 patient rating

    I feel happy with the care provider for the kindness that they solved my problems.

  • December 14, 2022

    Verfied Review

    3 out of 5 patient rating

    Dr. Lopez prescribe cough medicine that the pharmacy I go to doesn't carry and hasn't prescribed any other remedies for my cough.

  • November 03, 2022

    Verfied Review

    5 out of 5 patient rating

    Even though my Insurance in [omitted] was Medical thru Health Net administration , I still recommended Dr Javier Lopez - Moncayo to all my Friends and Family . I am currently trying to get California Covered for my [omitted] Son so he can come back to This Office , Perticularly Dr Javier Lopez - Moncayo

  • November 01, 2022

    Verfied Review

    5 out of 5 patient rating

    With great delight I recommend the clinic.

  • November 16, 2022

    Verfied Review

    5 out of 5 patient rating

    EXCELLENT Thank you all

  • September 08, 2022

    Verfied Review

    5 out of 5 patient rating

    Good.

  • September 09, 2022

    Verfied Review

    5 out of 5 patient rating

    Very satisfied with professional medical care I asked for my next appointment with Dr. Javier Lpez Moncayo

  • August 24, 2022

    Verfied Review

    5 out of 5 patient rating

    The doctor shows a lot of interest in my health, I'm greatefull to him

  • August 04, 2022

    Verfied Review

    5 out of 5 patient rating

    My *Dr. Javier is very nice.

  • August 17, 2022

    Verfied Review

    5 out of 5 patient rating

    Excellent service.

  • July 08, 2022

    Verfied Review

    5 out of 5 patient rating

    Excellent

  • June 01, 2022

    Verfied Review

    5 out of 5 patient rating

    EXCELLENT

  • June 17, 2022

    Verfied Review

    5 out of 5 patient rating

    Doctor Javier is a very excellent doctor because ami attends me viem

  • May 01, 2022

    Verfied Review

    5 out of 5 patient rating

    JAVIER LOPEZ MONCAYO MD is a wonderful doctor. I am blessed to have him as my primary care doctor. He truly cares about his patients and takes the time to explain conditions and concerns. I would highly recommend him to my family and friends.

  • May 29, 2022

    Verfied Review

    5 out of 5 patient rating

    On the part of the doctor very good and the staff also, they attended very excellent.

  • April 23, 2022

    Verfied Review

    5 out of 5 patient rating

    Dr Javier Lopez is an excellent Dr and very friendly

  • April 12, 2022

    Verfied Review

    5 out of 5 patient rating

    Very good.

  • April 19, 2022

    Verfied Review

    5 out of 5 patient rating

    #5. Hundred %.

  • April 04, 2022

    Verfied Review

    5 out of 5 patient rating

    I already recommended the provider with my family

  • March 02, 2022

    Verfied Review

    5 out of 5 patient rating

    All is very well.

  • March 16, 2022

    Verfied Review

    5 out of 5 patient rating

    Dr was so helpful in finding the best treatments for me and explaining everything.

  • March 25, 2022

    Verfied Review

    5 out of 5 patient rating

    As in all my visits dr lopez s always very caring, he takes his time going over my care plan, very professional, answers all my questions

  • February 20, 2022

    Verfied Review

    5 out of 5 patient rating

    Dr. Lopez is very patient with my concerns and is thorough to ensure I feel taken care of.

  • February 19, 2022

    Verfied Review

    4.6 out of 5 patient rating

    All very well Grace

  • January 20, 2022

    Verfied Review

    5 out of 5 patient rating

    The doctor clarifies questions.

  • January 21, 2022

    Verfied Review

    4 out of 5 patient rating

    I have good communication with my Dr. And He is taking care of my health.

  • December 28, 2021

    Verfied Review

    5 out of 5 patient rating

    I have many years being treated in this clinic, but with this geriatrician is the best.

  • December 03, 2021

    Verfied Review

    5 out of 5 patient rating

    Excellent attention

  • December 24, 2021

    Verfied Review

    5 out of 5 patient rating

    Excellent service

  • December 13, 2021

    Verfied Review

    4.4 out of 5 patient rating

    Good.