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