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JOHN MENDELSON MD
NPI 1245418912
Internal Medicine in San Francisco, CA

Active since February 05, 2008
909 HYDE ST, #210, SAN FRANCISCO, CA 94109(415) 474-7900(415) 474-7930 Get Directions Write a Review

NPPES record last updated: February 5, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Mendelson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MENDELSON MD (NPI 1245418912) is a healthcare organization registered as an internal medicine in San Francisco, California and active in the NPI registry since February 2008. The organization lists John Edward Mendelson, Owner/ Physician, as its authorized official.

NPPES Registry Identity

NPI1245418912
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJOHN MENDELSON MD
Location Address909 HYDE ST, #210San Francisco, CA 94109-4822
Mailing Address909 Hyde St, #210San Francisco, CA 94109-4822 · (415) 474-7900 · Fax (415) 474-7930
Phone(415) 474-7900
Fax(415) 474-7930
Organization SubpartNo
Authorized OfficialJohn Edward MendelsonOwner/ Physician · (415) 474-7900
Enumeration DateFebruary 5, 2008
✔ NPI 1245418912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G49959
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
909 HYDE ST, San Francisco, CA 94109
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Other Identifiers 2

Medicare UPINA51519CA
Medicaid00G499590CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PATRICIA JEAN GALAMBA MD
Family Medicine
909 HYDE ST, SUITE 410
SAN FRANCISCO, CA 94109
San Francisco County (415) 928-4920
PAUL HEIM MD
Psychiatry & Neurology (Psychiatry)
909 HYDE ST, SUITE 428
SAN FRANCISCO, CA 94109
San Francisco County (415) 567-2268
DR. MARCEL A. JORNA DDS
Dentist (General Practice)
909 HYDE ST, SUITE 406
SAN FRANCISCO, CA 94109
San Francisco County (415) 928-4844
GUY R ENGELMANN M.D.
Surgery (Plastic and Reconstructive Surgery)
909 HYDE ST, SUITE # 615
SAN FRANCISCO, CA 94109
San Francisco County (415) 441-5000
DR. JOSEPH T SPAULDING M.D.
Specialist
909 HYDE ST, SUITE 222
SAN FRANCISCO, CA 94109
San Francisco County (415) 441-3155
DR. LESLEY JOEL WOLFF DPM MS
Podiatrist
909 HYDE ST, STE 230
SAN FRANCISCO, CA 94109
San Francisco County (415) 474-3668
GARY L. AGUILAR, M.D. INC.
Clinic/Center
909 HYDE ST, SUITE 530
SAN FRANCISCO, CA 94109
San Francisco County (415) 775-3392
DR. JAMES YANG SOONG M.D.
Psychiatry & Neurology (Neurology)
909 HYDE ST, SUITE 234
SAN FRANCISCO, CA 94109
San Francisco County (415) 771-3040

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mendelson MD's NPI number?

The NPI number for John Mendelson MD is 1245418912. It was assigned to this organization in the NPPES registry on February 5, 2008.

Where is John Mendelson MD located?

John Mendelson MD is located at 909 Hyde St #210, San Francisco, CA 94109. The listed phone number is (415) 474-7900.

What is John Mendelson MD's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Mendelson MD was last updated on February 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.