REBECCA DIANE MARTIN CRNP
NPI 1891312690
Nurse Practitioner - Family in San Francisco, CA

Q: What is Rebecca Martin's NPI number?

The NPI number for Rebecca Martin is 1891312690. It was assigned to this individual provider in the NPPES registry on June 29, 2020. The provider is also known as Rebecca Diane Shemas.

Q: What is Rebecca Martin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Rebecca Martin was last updated on August 19, 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.

Active since June 29, 2020PECOS Enrolled

425 CALIFORNIA ST STE 1400, SAN FRANCISCO, CA 94104(855) 527-1850(650) 360-0447 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 28, 2021, Jun 29, 2020 (2 updates tracked since 2020).

On this page

About Rebecca Diane Martin Crnp NPPES

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

REBECCA DIANE MARTIN CRNP (NPI 1891312690) is an individual family provider in San Francisco, California, licensed in Pennsylvania (SP021896) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891312690

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameREBECCA DIANE MARTINCredential: CRNP

Location Address425 CALIFORNIA ST STE 1400San Francisco, CA 94104-2116

Mailing Address425 California St Ste 1400San Francisco, CA 94104-2116 · (855) 527-1850

Phone(855) 527-1850

Fax(650) 360-0447

Sole ProprietorNo

Enumeration DateJune 29, 2020

Last NPPES UpdateAugust 19, 20252 updates tracked since enumeration

NPPES CertifiedAugust 19, 2025

✔ NPI 1891312690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in PA · SP021896

425 CALIFORNIA ST STE 1400, San Francisco, CA 94104

Open in Google Maps ↗

Other Names 1

Former Name (1)Rebecca Diane Shemas

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rebecca Diane Martin Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MRS. ALICIA KETTEMAN RAMEY RDN, LD, IBCLC

Dietitian, Registered