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ANNA BUCHSBAUM M.D.
NPI 1689806317
Obstetrics & Gynecology in San Francisco, CA

Active since August 13, 2009PECOS EnrolledAccepts Medicare Assignment
1100 VAN NESS AVE FL 4, SAN FRANCISCO, CA 94109(415) 750-7050(415) 369-1389 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 17, 2021, Jul 5, 2019 (2 updates tracked since 2019).

About Anna Buchsbaum M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANNA BUCHSBAUM M.D. (NPI 1689806317) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A107516) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1689806317
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameANNA BUCHSBAUMCredential: M.D.
Location Address1100 VAN NESS AVE FL 4San Francisco, CA 94109-6978
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 750-7050 · Fax (415) 369-1389
Phone(415) 750-7050
Fax(415) 369-1389
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 13, 2009
Last NPPES UpdateDecember 17, 20212 updates tracked since enumeration
✔ NPI 1689806317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A107516
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1100 VAN NESS AVE FL 4, San Francisco, CA 94109
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11580 Valencia St Ste 802San Francisco, CA 94110-4415 · Phone (415) 750-7050 · Fax (415) 369-1389
Location 23838 California St, Suite 316San Francisco, CA 94118-1522 · Phone (415) 379-9600

Other Identifiers 2

Other1040353CA · Americal Board Of Obstetrcis And Gynecology
OtherA107516CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anna Buchsbaum M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002094802
PECOS Enrollment IDI20140602000223
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 Reassignment

Medicare enrollment records show Anna Buchsbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1.1 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94109 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EVA GABOR-FOURCADE CGC
Genetic Counselor, MS
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-2148
DR. LEJLA DELIC M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-0930
MELINDA SCULLY M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6400
DEREK DANGKHIEM NGUYEN MD
Internal Medicine
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5400
KELLIE BROWN LEMEIN RN, CNS, CDE
Registered Nurse (Diabetes Educator)
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6403
MRS. GABRIELLA HANNAH BROWN MS, LCGC
Genetic Counselor, MS
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6244
MS. JESSICA VICTORIA FISHER FNP-C
Nurse Practitioner (Family)
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (425) 256-1436
DENISE MAIN M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1100 VAN NESS AVE FL 4
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6400

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 Anna Buchsbaum's NPI number?

The NPI number for Anna Buchsbaum is 1689806317. It was assigned to this individual provider in the NPPES registry on August 13, 2009.

Where is Anna Buchsbaum located?

Anna Buchsbaum practices at 1100 Van Ness Ave Fl 4, San Francisco, CA 94109. The listed phone number is (415) 750-7050.

What is Anna Buchsbaum's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Anna Buchsbaum enrolled in Medicare?

Yes. Anna Buchsbaum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Anna Buchsbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Buchsbaum reassigns Medicare benefits to Permanente Medical Group Inc (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 Anna Buchsbaum'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 Anna Buchsbaum was last updated on December 17, 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.