John Meyer, MD
NPI 1164403416 · Radiation Oncology Physician · San Francisco, CA
John Meyer, MD is a Radiation Oncology Physician provider in San Francisco, CA (NPI 1164403416).
Provider details
- NPI number
- 1164403416
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G35272 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-11
- Last updated
- 2008-12-09
Frequently asked questions
- What is John Meyer's NPI number?
- John Meyer's National Provider Identifier (NPI) is 1164403416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Meyer's specialty?
- John Meyer is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Meyer located?
- John Meyer's practice location on file with NPPES is 2333 Buchanan St, San Francisco, CA 94115-1925.
- What is John Meyer's phone number?
- The practice phone number listed in the NPPES registry for John Meyer is (209) 342-2300.
- Is John Meyer's NPI active?
- Yes — John Meyer's NPI (1164403416) is active in the NPPES registry as of the last update on 2008-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.