Organization Profile
John Mendelson MD
Unclaimed ProfileAbout John Mendelson MD
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Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Patricia J. Galamba, MD Family Medicine
- Paul Heim, MD Psychiatry
- Marcel A. Jorna, DDS General Practice Dentistry
- Guy R. Engelmann, M.D. Plastic & Reconstructive Surgery
- Joseph T. Spaulding, M.D. Specialist
- Lesley J. Wolff, DPM MS Podiatry
- James Y. Soong, M.D. Neurology
- Serana Chester, PhD
- Hyunsoo Kwon, NP-C Nurse Practitioner
- James B. Stark, M.D. Physical Medicine & Rehabilitation
Showing 10 of 31. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (415) 474-7900
- Email not available
Practice Locations
909 HYDE ST #210
San Francisco, CA 94109
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
Other internists in San Francisco 8
Same specialty, same city.
Common questions
What does John Mendelson MD specialize in?
John Mendelson MD is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is John Mendelson MD located?
John Mendelson MD is listed at 909 Hyde St #210, San Francisco, CA 94109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Mendelson MD's phone number?
The number on file is (415) 474-7900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John Mendelson MD's NPI number?
John Mendelson MD's National Provider Identifier is 1245418912. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Has John Mendelson MD confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Mendelson MD. If this is you, claiming it is free.
Guide.md
Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.