ANDREA PFEFFER CNM
NPI 1770533069
Advanced Practice Midwife in Oakland, CA
About Andrea Pfeffer Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA PFEFFER CNM (NPI 1770533069) is an individual advanced practice midwife in Oakland, California, licensed in California (1599) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrea Pfeffer Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrea Pfeffer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94107
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 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 94609 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.
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Andrea Pfeffer's NPI number?
The NPI number for Andrea Pfeffer is 1770533069. It was assigned to this individual provider in the NPPES registry on May 10, 2006.
Where is Andrea Pfeffer located?
Andrea Pfeffer practices at 350 30th St, Oakland, CA 94609. The listed phone number is (510) 444-0790.
What is Andrea Pfeffer's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Andrea Pfeffer enrolled in Medicare?
Yes. Andrea Pfeffer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrea Pfeffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Pfeffer reassigns Medicare benefits to 2 organizations: City & County Of San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Andrea Pfeffer'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 Andrea Pfeffer was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.