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

Holly Y Deng, MD

Individual provider Internal Medicine Physician · NPI 1174790026

Holly Y Deng, MD is an Internal Medicine in San Francisco, California. Graduated from University of California, Geffen School of Medicine in 2007, 19 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
19
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2008
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

2238 Geary Blvd
San Francisco, CA 94115-3416
Phone: (415) 833-2200
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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 A105953 (CA)

Record details

NPI number1174790026
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 9, 2008
Last updated in NPPESFebruary 11, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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