ANNE CATHERINE CRAMER M.D.
NPI 1326381641
Internal Medicine in San Francisco, CA
About Anne Catherine Cramer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE CATHERINE CRAMER M.D. (NPI 1326381641) is an individual internal medicine provider in San Francisco, California, licensed in California (A156206) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Anne Catherine Cramer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Anne Cramer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94105
- Reassigned Medicare billing, California enrollment
- 178 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 94105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN FRANCISCO, CA 94105
SAN FRANCISCO, CA 94105
SAN FRANCISCO, CA 94105
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 Anne Cramer's NPI number?
The NPI number for Anne Cramer is 1326381641. It was assigned to this individual provider in the NPPES registry on April 4, 2013.
Where is Anne Cramer located?
Anne Cramer practices at 333 1st St Ste A, San Francisco, CA 94105. The listed phone number is (888) 803-3370.
What is Anne Cramer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anne Cramer enrolled in Medicare?
Yes. Anne Cramer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Anne Cramer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Cramer reassigns Medicare benefits to Circle Medical Care Of California (San Francisco, CA). The 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 Anne Cramer'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 Anne Cramer was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Anne Catherine Cramer, M.D. · NPI 1326381641
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 4, 2013.
## Identity
- **NPI:** 1326381641 (Entity type: Individual)
- **Enumerated:** April 4, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A156206 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 1ST ST STE A, San Francisco, CA 94105-2661
- **Phone:** (888) 803-3370
## 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:** Circle Medical Care Of California (NPI 1134596091, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1326381641) · Data from the CMS NPPES public registry.