SAN FRANCISCO ONCOLOGY ASSOCIATES MEDICAL GROUP INC
NPI 1457385379
Internal Medicine - Medical Oncology in San Francisco, CA

Q: What is San Francisco Oncology Associates Medical Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Active since July 10, 2006

2100 WEBSTER ST, #326, SAN FRANCISCO, CA 94115(415) 885-8600(415) 885-8680 Get Directions Write a Review

NPPES record last updated: September 10, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About San Francisco Oncology Associates Medical Group Inc NPPES

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

SAN FRANCISCO ONCOLOGY ASSOCIATES MEDICAL GROUP INC (NPI 1457385379) is a healthcare organization registered as a medical oncology in San Francisco, California and active in the NPI registry since July 2006. The organization lists Wei Wang, President, as its authorized official.

NPPES Registry Identity

NPI1457385379

Entity TypeOrganization

Primary Taxonomy207RX0202X

Legal Business NameSAN FRANCISCO ONCOLOGY ASSOCIATES MEDICAL GROUP INC

Location Address2100 WEBSTER ST, #326San Francisco, CA 94115-2378

Mailing Address2100 Webster St, #326San Francisco, CA 94115-2378 · (415) 885-8600 · Fax (415) 885-8680

Phone(415) 885-8600

Fax(415) 885-8680

Organization SubpartNo

Authorized OfficialWei WangPresident · (415) 885-8600

Enumeration DateJuly 10, 2006

Last NPPES UpdateSeptember 10, 2014

✔ NPI 1457385379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

2100 WEBSTER ST, San Francisco, CA 94115

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Other Identifiers 1

Medicare NSC7085560001

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

San Francisco Oncology Associates Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to San Francisco Oncology Associates Medical Group Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Wei Wang, MD, PHD

Medical Oncology

NPI 1861482853

2100 WEBSTER ST SUITE 326
San Francisco, CA 94115

(415) 885-8600

✔ PECOS✔ Accepts MedicareSame address

Kevin Kim, M.D.

Hematology/Oncology

NPI 1851485056

2100 WEBSTER ST STE 326
San Francisco, CA 94115

(415) 885-8600

✔ PECOS✔ Accepts MedicareSame address

Alan Kramer, MD

Hematology/Oncology

NPI 1356357347

2100 WEBSTER STREET #326
San Francisco, CA 94115

(415) 885-8600

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 San Francisco Oncology Associates Medical Group Inc's NPI number?

The NPI number for San Francisco Oncology Associates Medical Group Inc is 1457385379. It was assigned to this organization in the NPPES registry on July 10, 2006.

Where is San Francisco Oncology Associates Medical Group Inc located?

San Francisco Oncology Associates Medical Group Inc is located at 2100 Webster St #326, San Francisco, CA 94115. The listed phone number is (415) 885-8600.

What is San Francisco Oncology Associates Medical Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is San Francisco Oncology Associates Medical Group Inc enrolled in Medicare?

Yes. San Francisco Oncology Associates Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Francisco Oncology Associates Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to San Francisco Oncology Associates Medical Group Inc, in Hematology/Oncology and Medical Oncology. A 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 the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does San Francisco Oncology Associates Medical Group Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 34 other insurers list San Francisco Oncology Associates Medical Group Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for San Francisco Oncology Associates Medical Group Inc was last updated on September 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.