Geralyn Martinez, NP
Family Nurse Practitioner · San Francisco, CA
Geralyn Martinez, NP is a family nurse practitioner with a practice address in San Francisco, California, and NPI 1063539435, issued on Mar 23, 2007. Check the license (California NPF9107, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geralyn Martinez
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- NPF9107 CA
RN231018 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave # 1E21, San Francisco, CA 94110
- Phone
- (415) 206-8111
- Enumerated
- Mar 23, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (415) 206-5818
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 1001 Potrero Ave # 1E21
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tina King, NPAdult Health Nurse Practitioner1295936441
- Sharon Legenza, NPFamily Nurse Practitioner1871620864
- Margaret McNiel, NPFamily Nurse Practitioner1649328386
Verify Geralyn Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NPF9107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $87.55
5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Geralyn Martinez among 16,966 family nurse practitioner records in California
Geralyn Martinez, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
662 family nurse practitioner records list a practice address in San Francisco
They are 662 of the 38,143 NPPES records with a practice address in San Francisco, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Francisco → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Erin Cunningham, N.P., M.S., R.N.San Francisco, CA 941101609895242
- Patricia Erickson, N.P.San Francisco, CA 941101124193222
- Annette Espil, NPSan Francisco, CA 941101255412698
- Barbara Hollinger, RN, FNPSan Francisco, CA 941101558471474
- Jennifer Kanenaga, RN, MSN, FNPSan Francisco, CA 941101235153123
- Steven Leiner, NPSan Francisco, CA 941101023107174
- Rochelle Neutra, RN, FNPSan Francisco, CA 941101396745642
- Eliza Newbold, N.P., M.S.N., R.N.San Francisco, CA 941101811913023
Common questions
What is Geralyn Martinez, NP's NPI number?
Geralyn Martinez, NP's National Provider Identifier (NPI) is 1063539435, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Geralyn Martinez, NP located?
The NPPES record lists a practice address at 1001 Potrero Ave # 1E21, San Francisco, CA, 94110. Phone: (415) 206-8111. Providers update this record themselves, so call before visiting.
How can I verify Geralyn Martinez, NP's license?
NPPES lists California license number NPF9107, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.