DR. BRIAN L SHAFFER MD
NPI 1245296052
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Francisco, CA

Q: What is Brian Shaffer's NPI number?

The NPI number for Brian Shaffer is 1245296052. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Q: What is Brian Shaffer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Brian Shaffer was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since April 21, 2006PECOS EnrolledAccepts Medicare Assignment

1100 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 600-6400(415) 369-1384 Get Directions Write a Review

NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 24, 2021, May 7, 2020 (2 updates tracked since 2020).

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About Dr. Brian L Shaffer Md NPPES

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

DR. BRIAN L SHAFFER MD (NPI 1245296052) is an individual maternal & fetal medicine provider in San Francisco, California, licensed in California (854587) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Hahnemann University College Of Medicine (2001).

NPPES Registry Identity

NPI1245296052

Entity TypeIndividualMale

Primary Taxonomy207VM0101X

Provider Legal NameDR. BRIAN L SHAFFERCredential: MD

Location Address1100 VAN NESS AVESan Francisco, CA 94109-6978

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 600-6400 · Fax (415) 369-1384

Phone(415) 600-6400

Fax(415) 369-1384

Sole ProprietorNo

Medical School CMSHahnemann University College Of MedicineGraduated 2001

Enumeration DateApril 21, 2006

Last NPPES UpdateFebruary 24, 20212 updates tracked since enumeration

NPPES CertifiedFebruary 24, 2021

✔ NPI 1245296052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

Licenses✔ Licensed in CA · 854587✔ Licensed in OR · MD153180✔ Licensed in WA · MD60278147

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

Also ListedMedical Genetics · Clinical Genetics (M.D.)Taxonomy 207SG0201X · License 2009139 (CA), MD60278147 (WA), MD153180 (OR)

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License MD153180 (OR), MD60278147 (WA)

1100 VAN NESS AVE, San Francisco, CA 94109

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Secondary Practice Locations 3

Location 15730 Telegraph Ave Ste 117Oakland, CA 94609-1710 · Phone (415) 600-6400 · Fax (415) 369-1384

Location 2990 Sonoma Ave Ste 9Santa Rosa, CA 95404-4813 · Phone (415) 600-6400 · Fax (415) 369-1384

Location 31580 Valencia St Ste 601San Francisco, CA 94110-4422 · Phone (415) 600-6400 · Fax (415) 369-1384

Other Identifiers 4

Medicaid500627546OR

Medicaid00A825830CA

OtherMD153180OR · State Medical License

OtherA82583CA · 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

Dr. Brian L Shaffer Md 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 ID547200669

PECOS Enrollment IDI20050509000624

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 Brian Shaffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation

15 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

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 20

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

CHIALIN LEE PA-C

Physician Assistant