NANCY L. CARTERON M.D.
NPI 1669582458
Internal Medicine - Rheumatology in San Francisco, CA
About Nancy L. Carteron M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY L. CARTERON M.D. (NPI 1669582458) is an individual rheumatology provider in San Francisco, California, licensed in California (G52227) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Nancy L. Carteron M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Nancy Carteron reassigns Medicare billing to 4 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
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Berkeley, CA 94720
- Reassigned Medicare billing, California enrollment
- 96 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94115
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 Nancy Carteron's NPI number?
The NPI number for Nancy Carteron is 1669582458. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Nancy Carteron located?
Nancy Carteron practices at 2100 Webster St Ste 200, San Francisco, CA 94115. The listed phone number is (415) 923-6534.
What is Nancy Carteron's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Nancy Carteron enrolled in Medicare?
Yes. Nancy Carteron is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Nancy Carteron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Carteron reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Regents Of The University Of California At Berkeley (Berkeley, CA). 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 Nancy Carteron'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 Nancy Carteron was last updated on April 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.
# Nancy L. Carteron, M.D. · NPI 1669582458
Rheumatology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1669582458 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** G52227 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2100 WEBSTER ST STE 200, San Francisco, CA 94115-2375
- **Phone:** (415) 923-6534
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Regents Of The University Of California At Berkeley (NPI 1306908058, Berkeley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** April 15, 2011
- **Other identifiers:** Medicare ID-Type Unspecified 00G522270 (CA); Medicare UPIN E42415
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Source: [NPI Profile](https://npiprofile.com/npi/1669582458) · Data from the CMS NPPES public registry.