DR. MICHAEL JAMES MOSIER MD
NPI 1568638104
Surgery in Fresno, CA
About Dr. Michael James Mosier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JAMES MOSIER MD (NPI 1568638104) is an individual surgery provider in Fresno, California, licensed in California (C196648) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Longview.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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 James Mosier Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Michael Mosier reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93721
- Reassigned Medicare billing, California enrollment
- 320 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Newberg, OR 97132
- Reassigned Medicare billing, Oregon enrollment
- 338 clinicians in this Medicare group
Longview, WA 98632
- Reassigned Medicare billing, Washington enrollment
- 308 clinicians in this Medicare group
Johnstown, CO 80534
- Reassigned Medicare billing, Oregon enrollment
- 57 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 93721 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FRESNO, CA 93721
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 Mosier's NPI number?
The NPI number for Michael Mosier is 1568638104. It was assigned to this individual provider in the NPPES registry on May 4, 2008.
Where is Michael Mosier located?
Michael Mosier practices at 2823 Fresno St, Fresno, CA 93721. The listed phone number is (559) 459-6000.
What is Michael Mosier's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Michael Mosier enrolled in Medicare?
Yes. Michael Mosier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Mosier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mosier reassigns Medicare benefits to 8 organizations: University Faculty Associates, Inc. (Fresno, CA), Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and 3 more organizations, listed in the Medicare section above. 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 Michael Mosier'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 Mosier was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Michael James Mosier, MD · NPI 1568638104
Surgery physician in Fresno, California. Individual provider, active in the CMS NPPES registry since May 4, 2008.
## Identity
- **NPI:** 1568638104 (Entity type: Individual)
- **Enumerated:** May 4, 2008
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** C196648 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2823 FRESNO ST, Fresno, CA 93721-1324
- **Phone:** (559) 459-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): University Faculty Associates, Inc. (NPI 1235537283, Fresno, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 18, 2025
- **Other identifiers:** Medicaid 2088509 (WA); Medicaid 500731567 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1568638104) · Data from the CMS NPPES public registry.