ANNE C. REGENSTEIN MD
NPI 1487732087
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Francisco, CA
About Anne C. Regenstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE C. REGENSTEIN MD (NPI 1487732087) is an individual maternal & fetal medicine provider in San Francisco, California, licensed in California (G65588) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Anne C. Regenstein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Anne Regenstein reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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
Overland Park, KS 66212
- Reassigned Medicare billing, Missouri enrollment
- 1,339 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 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.
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 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 Anne Regenstein's NPI number?
The NPI number for Anne Regenstein is 1487732087. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Anne Regenstein located?
Anne Regenstein practices at 2200 Ofarrell St, San Francisco, CA 94115. The listed phone number is (415) 833-2000.
What is Anne Regenstein's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Anne Regenstein enrolled in Medicare?
Yes. Anne Regenstein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Anne Regenstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Regenstein reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Saint Lukes Physician Group Inc (Overland Park, KS) and Gundersen Lutheran Medical Center, Inc (La Crosse, WI). 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 Anne Regenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne Regenstein accept?
Health plans from Blue Cross and Blue Shield of Kansas City, Medica and UnitedHealthcare list Anne Regenstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Anne Regenstein was last updated on April 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Anne C. Regenstein, MD · NPI 1487732087
Maternal & Fetal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1487732087 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** G65588 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 OFARRELL ST, San Francisco, CA 94115-3357
- **Phone:** (415) 833-2000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Saint Lukes Physician Group Inc (NPI 1043826563, Overland Park, KS); Gundersen Lutheran Medical Center, Inc (NPI 1689918377, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 21, 2023
- **Other identifiers:** Medicaid 00G655880 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1487732087) · Data from the CMS NPPES public registry.