ANDREA PFEFFER CNM
NPI 1770533069
Advanced Practice Midwife in Oakland, CA

Active since May 10, 2006PECOS Enrolled
350 30TH ST, OAKLAND, CA 94609(510) 444-0790 Get Directions Write a Review

NPPES record last updated: July 16, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1770533069
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameANDREA PFEFFERCredential: CNM
Location Address350 30TH STOakland, CA 94609-3425
Mailing Address350 30th St, Suite 205Oakland, CA 94609 · (510) 444-0790
Sole ProprietorNo
Enumeration DateMay 10, 2006
Last NPPES UpdateJuly 16, 2007
✔ NPI 1770533069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in CA · 1599
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
350 30TH ST, Oakland, CA 94609

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Primary Care
760 HARRISON ST
San Francisco, CA 94107
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
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.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Ophthalmology
350 30TH ST, SUITE 444
OAKLAND, CA 94609
Hospitalist
350 30TH ST, SUITE 320
OAKLAND, CA 94609
Internal Medicine
350 30TH ST, #100
OAKLAND, CA 94609
Urology
350 30TH ST, STE 100
OAKLAND, CA 94609
Radiologic Technologist (Sonography)
350 30TH ST, SUITE 320
OAKLAND, CA 94609
Family Medicine
350 30TH ST, SUITE 407
OAKLAND, CA 94609
Nurse Practitioner (Gerontology)
350 30TH ST, SUITE 407
OAKLAND, CA 94609
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
350 30TH ST, SUITE 100
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.