DR. MICHAEL JOHN NYSTROM M.D.
NPI 1316274871
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

Active since November 04, 2009PECOS Enrolled
2338 21ST AVE, SAN FRANCISCO, CA 94116(415) 244-8459 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Michael John Nystrom M.d. NPPES

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

DR. MICHAEL JOHN NYSTROM M.D. (NPI 1316274871) is an individual anatomic pathology & clinical pathology provider in San Francisco, California, licensed in California (A 107003) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316274871
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. MICHAEL JOHN NYSTROMCredential: M.D.
Location Address2338 21ST AVESan Francisco, CA 94116-2430
Mailing Address2338 21st AveSan Francisco, CA 94116-2430 · (415) 244-8459
Sole ProprietorYes
Enumeration DateNovember 4, 2009
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1316274871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A 107003
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2338 21ST AVE, San Francisco, CA 94116

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael John Nystrom M.d. 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 Reassignment

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

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 94116 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
$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.

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 Michael Nystrom's NPI number?

The NPI number for Michael Nystrom is 1316274871. It was assigned to this individual provider in the NPPES registry on November 4, 2009.

Where is Michael Nystrom located?

Michael Nystrom practices at 2338 21st Ave, San Francisco, CA 94116. The listed phone number is (415) 244-8459.

What is Michael Nystrom's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Michael Nystrom enrolled in Medicare?

Yes. Michael Nystrom is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Nystrom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nystrom 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 Michael Nystrom'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 Michael Nystrom was last updated on February 11, 2022. 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.