Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Mehrdad Davidson, MD

Individual provider Internal Medicine Physician · NPI 1164459178

Mark Mehrdad Davidson, MD is a Gastroenterology in Los Angeles, California. Graduated from University of California, Geffen School of Medicine in 1997, 29 years ago. Practices as a sole proprietor and offers telehealth. Licensed in California.

Years since qualifying
29
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8631 W 3rd St 1135-E
Los Angeles, CA 90048-5901
Phone: (310) 855-0222
Fax: (310) 652-1905
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A67586 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence A67586 (CA)
Hepatology Physician Taxonomy 207RI0008X · Licence A67586 (CA)

Record details

NPI number1164459178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 26, 2006
Last updated in NPPESJanuary 29, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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