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Physician Profile

John P. Greene, MD

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At a glance

About Dr. Greene

Based in San Francisco, CA, John P. Greene, MD is listed in the NPI registry under neurology. John graduated from University of Chicago, Pritzker School of Medicine in 2019. John is also listed as specializing in internal medicine, student in an organized health care education program, and neurology / psychiatry. Medicare claims data shows John provided 163 services to 74 patients. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and critical care, each additional 30 minutes. NPI 1205397841 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 179068DelinquentExpired Jul 31, 2026Since 2022
IL licenceAs reported to the NPI registry
No. 125.074373As reported
NPINational Provider Identifier
1205397841Issued 2019

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Greene specialize in?

Dr. Greene is a neurologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.

NPI registry

Where is Dr. Greene located?

Dr. Greene is listed at 505 Parnassus Avenue, M798, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Greene's phone number?

The number on file is (415) 476-3891. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Greene?

Dr. Greene's National Provider Identifier is 1205397841. 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

Where did Dr. Greene go to medical school?

Dr. Greene attended University of Chicago, Pritzker School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Greene have?

Dr. Greene has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Greene do most often?

According to Medicare billing data, Dr. Greene the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Greene's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greene. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.