JANET DIAZ AGPC NP-C
NPI 1639764368
Nurse Practitioner in San Francisco, CA
About Janet Diaz Agpc Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET DIAZ AGPC NP-C (NPI 1639764368) is an individual nurse practitioner in San Francisco, California, licensed in California (95018207) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Janet Diaz Agpc Np-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Janet Diaz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Palm Springs, CA 92262
- Reassigned Medicare billing, California enrollment
- 167 clinicians in this Medicare group
Cape Coral, FL 33914
- Reassigned Medicare billing, Florida enrollment
- 880 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Janet Diaz's NPI number?
The NPI number for Janet Diaz is 1639764368. It was assigned to this individual provider in the NPPES registry on March 4, 2021.
Where is Janet Diaz located?
Janet Diaz practices at 1825 4th St Fl 1, San Francisco, CA 94143. The listed phone number is (415) 353-7175.
What is Janet Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Janet Diaz enrolled in Medicare?
Yes. Janet Diaz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Janet Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Diaz reassigns Medicare benefits to 7 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Usc Care Medical Group, Inc (Los Angeles, CA) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janet Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Janet Diaz was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Janet Diaz, AGPC NP-C · NPI 1639764368
Nurse Practitioner physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 4, 2021.
## Identity
- **NPI:** 1639764368 (Entity type: Individual)
- **Enumerated:** March 4, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95018207 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1825 4TH ST FL 1, San Francisco, CA 94143-2350
- **Phone:** (415) 353-7175 · **Fax:** (415) 476-7370
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 6, 2026
- **Other identifiers:** Medicaid 110690600 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1639764368) · Data from the CMS NPPES public registry.