DR. WOLFGANG MICHAEL KORN MD
NPI 1235187055
Internal Medicine - Medical Oncology in San Francisco, CA

Active since May 04, 2006PECOS Enrolled
2330 POST ST, SAN FRANCISCO, CA 94115(415) 502-4444(415) 353-7150 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Wolfgang Michael Korn Md NPPES

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

DR. WOLFGANG MICHAEL KORN MD (NPI 1235187055) is an individual medical oncology provider in San Francisco, California, licensed in California (A77069) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235187055
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. WOLFGANG MICHAEL KORNCredential: MD
Location Address2330 POST STSan Francisco, CA 94115-3465
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150
Fax(415) 353-7150
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateAugust 12, 2026
NPPES CertifiedAugust 12, 2026
✔ NPI 1235187055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · A77069
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.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License A77069 (CA)
2330 POST ST, San Francisco, CA 94115

Other Identifiers 1

Medicaid0A7706900CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Wolfgang Michael Korn Md 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

3

Medicare enrollment records show Wolfgang Korn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 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 94115 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
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.

Audiologist
2330 POST ST, SUITE 270, BOX 0340
SAN FRANCISCO, CA 94115
Genetic Counselor, MS
2330 POST ST, SUITE 610
SAN FRANCISCO, CA 94115
Colon & Rectal Surgery
2330 POST ST
SAN FRANCISCO, CA 94115
Nurse Practitioner (Family)
2330 POST ST, SUITE 360
SAN FRANCISCO, CA 94115
Genetic Counselor, MS
2330 POST ST, SUITE 610
SAN FRANCISCO, CA 94115
Audiologist
2330 POST ST
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Neurology)
2330 POST ST
SAN FRANCISCO, CA 94115
Pediatrics
2330 POST ST
SAN FRANCISCO, CA 94115

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 Wolfgang Korn's NPI number?

The NPI number for Wolfgang Korn is 1235187055. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Wolfgang Korn located?

Wolfgang Korn practices at 2330 Post St, San Francisco, CA 94115. The listed phone number is (415) 502-4444.

What is Wolfgang Korn's specialty?

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

Is Wolfgang Korn enrolled in Medicare?

Yes. Wolfgang Korn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Wolfgang Korn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wolfgang Korn reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Wolfgang Korn'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 Wolfgang Korn was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.