Frank Mainzer, M.D.
NPI 1467402636 · Diagnostic Radiology Physician · San Francisco, CA
Frank Mainzer, M.D. is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1467402636).
Provider details
- NPI number
- 1467402636
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G12512 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-05-11
- Last updated
- 2008-02-25
Frequently asked questions
- What is Frank Mainzer's NPI number?
- Frank Mainzer's National Provider Identifier (NPI) is 1467402636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Mainzer's specialty?
- Frank Mainzer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Mainzer located?
- Frank Mainzer's practice location on file with NPPES is 900 Hyde St, San Francisco, CA 94109-4806.
- What is Frank Mainzer's phone number?
- The practice phone number listed in the NPPES registry for Frank Mainzer is (415) 353-6390.
- Is Frank Mainzer's NPI active?
- Yes — Frank Mainzer's NPI (1467402636) is active in the NPPES registry as of the last update on 2008-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.