DR. ELIZABETH ANN BLUMENTHAL MD
NPI 1164759916
Obstetrics & Gynecology in San Francisco, CA
About Dr. Elizabeth Ann Blumenthal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH ANN BLUMENTHAL MD (NPI 1164759916) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A107191) and active in the NPI registry since November 2009. 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)
Dr. Elizabeth Ann Blumenthal Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Elizabeth Blumenthal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 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 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.
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 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Elizabeth Blumenthal's NPI number?
The NPI number for Elizabeth Blumenthal is 1164759916. It was assigned to this individual provider in the NPPES registry on November 13, 2009.
Where is Elizabeth Blumenthal located?
Elizabeth Blumenthal practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-4624.
What is Elizabeth Blumenthal's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Elizabeth Blumenthal enrolled in Medicare?
Yes. Elizabeth Blumenthal is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elizabeth Blumenthal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Blumenthal reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Oxnard, CA), University Of California Irvine (Anaheim, CA) and Regents Of The University Of California (Orange, 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 Elizabeth Blumenthal'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 Elizabeth Blumenthal was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.