ANTONIO KOBYASHI COIRIN M.D.
NPI 1275573446
Surgery - Trauma Surgery in Modesto, CA
About Antonio Kobyashi Coirin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTONIO KOBYASHI COIRIN M.D. (NPI 1275573446) is an individual trauma surgery provider in Modesto, California, licensed in California (G59697) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Davis School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Antonio Kobyashi Coirin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Antonio Coirin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1669846986 (California), NPI 1467825844 (California), NPI 1972877264 (California), NPI 1457593980 (California)
- 101 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MODESTO, CA 95350
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 Antonio Coirin's NPI number?
The NPI number for Antonio Coirin is 1275573446. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Antonio Coirin located?
Antonio Coirin practices at 1001 Sylvan Ave Ste A, Modesto, CA 95350. The listed phone number is (209) 422-6120.
What is Antonio Coirin's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Antonio Coirin enrolled in Medicare?
Yes. Antonio Coirin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Antonio Coirin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Antonio Coirin reassigns Medicare benefits to 5 organizations: Central California Bariatric Surgery A Medical Corporation (Modesto, CA), Surgical Associates Inc (Modesto, CA), Sutter Valley Medical Foundation (Modesto, CA), County Of San Joaquin (Manteca, CA) and San Joaquin Faculty Medical Group (French Camp, 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 Antonio Coirin'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 Antonio Coirin was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.