IndividualActive
Michael Martin
NPI 1881837235 · Registered Nurse · San Francisco, CA
Michael Martin is a Registered Nurse provider in San Francisco, CA (NPI 1881837235).
Provider details
- NPI number
- 1881837235
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 469565 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
255 Golden Gate Ave
San Francisco, CA 94102-3709
Phone: (415) 437-2900
Fax: (415) 626-7760
Street-level locationGet directions
Mailing address
917 Rhode Island St
San Francisco, CA 94107-2612
Registry dates
- Enumerated
- 2009-04-15
- Last updated
- 2009-04-15
Frequently asked questions
- What is Michael Martin's NPI number?
- Michael Martin's National Provider Identifier (NPI) is 1881837235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Martin's specialty?
- Michael Martin is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Michael Martin located?
- Michael Martin's practice location on file with NPPES is 255 Golden Gate Ave, San Francisco, CA 94102-3709.
- What is Michael Martin's phone number?
- The practice phone number listed in the NPPES registry for Michael Martin is (415) 437-2900.
- Is Michael Martin's NPI active?
- Yes — Michael Martin's NPI (1881837235) is active in the NPPES registry as of the last update on 2009-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.