Niraj Karki MD | Infectious Disease Physician | Downey, CA | PIH Health
Niraj Karki

Niraj Karki MD


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4.7 / 5 (based on 63 Reviews) View 7 Comments
  • Group

Niraj Karki MD is committed to providing excellent care to his patients, especially in the form of clear and detailed communication with both patients and their families alike. His detailed oriented personality and ingrained passion for medicine inspired his special interest for infectious diseases, particularly HIV. He earned his medical degree from Kathmandu University, in Nepal, and completed his residency with New York University, Woodhull Medical Center in Brooklyn, New York, where he was elected Best Resident of his class. Dr. Karki also completed a clinical fellowship in Infectious Disease at Baystate Medical Center in Springfield, Massachusetts. Dr. Karki worked as a Hospitalist and Infectious Disease specialist at The Aroostook Medical Center in Maine, and served as Medical Director of their Intensive Care Unit.

Office Information

Hospital/Group Affiliation

PIH Health Downey Hospital

PIH Health Physicians





  • Hospitalist


Medical School

Nepal Medical College


Woodhull Medical and Mental Health Center (New York)


Woodhull Medical and Mental Health Center (New York)


Baystate Medical Center (Massachusetts)

Board Certifications

  • Internal Medicine

Patient Reviews

December 20, 2021
Thank you!
November 22, 2021
Doctor was respectful, smart and courteous. Best bedside manners ever!! Thank you for all your help. You were God sent. I could not have the specialists I have helping me if it wasn't for Dr, Karki! THank you!
November 22, 2021
As with all my appointments with Dr. Karki I had absolute confidence in ... in what he had to say, and feel very comfortable both asking questions, expressing my thoughts, and absolute confidence in the responses of Dr. Karki.
November 22, 2021
I've had such great experiences. Thank you!
November 08, 2021
Receptionist very nice. Doesn't look like this place is even open with super dark entrance and no open signs. I was surprised when the dark door opened!
November 08, 2021
My appointment with this doctor was cancelled 3-times due to his "unavailability". His always excuse that he is working at the hospital as well is getting obsolete. How about time management? Proper scheduling or how about focus on one job?
October 13, 2021
Yes, I was very very satisfied. Dr. Karki, he was very thorough and very professional. Very nice doctor. I would recommend him, highly. Thank you.
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