1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Nurse Practitioner
  6. NPI Profile

MS. GERALYN MARTINEZ NP
NPI 1063539435
Nurse Practitioner - Family in San Francisco, CA

Active since March 23, 2007
1001 POTRERO AVE # 1E21, EMERGENCY MEDICINE NURSING, SAN FRANCISCO, CA 94110(415) 206-8111(415) 206-5818 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Geralyn Martinez Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. GERALYN MARTINEZ NP (NPI 1063539435) is an individual family provider in San Francisco, California, licensed in California (NPF9107) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1063539435
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. GERALYN MARTINEZCredential: NP
Location Address1001 POTRERO AVE # 1E21, EMERGENCY MEDICINE NURSINGSan Francisco, CA 94110-3518
Mailing Address1001 Potrero Ave # 1e21, Emergency Medicine NursingSan Francisco, CA 94110-3518 · (415) 206-8111 · Fax (415) 206-5818
Phone(415) 206-8111
Fax(415) 206-5818
Sole ProprietorNo
Enumeration DateMarch 23, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1063539435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · NPF9107
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License RN231018 (CA)
1001 POTRERO AVE # 1E21, San Francisco, CA 94110
Open in Google Maps ↗

Other Identifiers 1

Other011650Sfgh Internal Use Only-commercial Number

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MONICA BIEN PA
Physician Assistant
1001 POTRERO AVE # 1E21, SFGH EMERGENCY DEPARTMENT
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8059
MS. TINA M. KING NP
Nurse Practitioner (Adult Health)
1001 POTRERO AVE # 1E21, SFGH EMERGENCY MEDICINE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8111
MS. HILLARY A. JONES NP
Nurse Practitioner (Adult Health)
1001 POTRERO AVE # 1E21, SFGH EMERGENCY DEPARTMENT
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-4097
MS. MARGARET R. MCNIEL NP
Nurse Practitioner (Family)
1001 POTRERO AVE # 1E21, SFGH EMERGENCY DEPARTMENT
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8111
MS. SHARON A. LEGENZA NP
Nurse Practitioner (Family)
1001 POTRERO AVE # 1E21, SFGH EMERGENCY DEPARTMENT
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Geralyn Martinez's NPI number?

The NPI number for Geralyn Martinez is 1063539435. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Geralyn Martinez located?

Geralyn Martinez practices at 1001 Potrero Ave # 1e21 Emergency Medicine Nursing, San Francisco, CA 94110. The listed phone number is (415) 206-8111.

What is Geralyn Martinez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Geralyn Martinez was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.