Antonio Kobyashi Coirin, M.D.
Trauma Surgery Physician · Modesto, CA
Antonio Kobyashi Coirin, M.D. is a trauma surgery physician with a practice address in Modesto, California, and NPI 1275573446, issued on Jun 7, 2006. Check the license (California G59697, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Antonio Kobyashi Coirin
- Credential
- M.D.
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- G59697 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Sylvan Ave Ste A, Modesto, CA 95350
- Phone
- (209) 422-6120
- Enumerated
- Jun 7, 2006
- Record last updated
- May 7, 2025
- Medicaid ID
- 00G596971 CA
- Medicare enrollment
- Enrolled (PECOS I20050503000340); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest trauma surgery physician records → All 146 in California → Look up another NPI →
Also registered at 1001 Sylvan Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Coates, M.D.Surgery Physician1073762217
- Patrick Coates, M.D.Surgery Physician1063479301
- Anna Davila, PASurgical Physician Assistant1205079514
- Alyssa Martin, MSN, APRN, FNP-BCFamily Nurse Practitioner1114541117
- Donald Paulsen, PASurgical Physician Assistant1497895775
Verify Antonio Kobyashi Coirin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average trauma surgery physician in 2024
79 Medicare Part D claims for 27 beneficiaries, against an average of 48 among the 447 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Ondansetron Odt22 claims
- Omeprazole13 claims
- Hydrocodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $25,615.91
31 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 762 providers of this specialty with any payment received $2,324.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Central California Bariatric Surgery A Medical CorporationModesto, CA
- Surgical Associates IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonio Kobyashi Coirin among 146 trauma surgery physician records in California
Antonio Kobyashi Coirin, M.D. is one of 146 trauma surgery physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 62% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1985 · median 2007 among the 117 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0127X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Trauma Surgery Physician providers in California
There are 146 trauma surgery physician records in California.
All 146 in California → Every provider in Modesto → Trauma Surgery Physician nationwide →
The 8 trauma surgery physician records with the nearest ZIP codes
- Sean Degmetich, STUDENTModesto, CA 953551518344878
- Anthony Anagnostou, MDEureka, CA 955011427450568
- Peter Cahill, MDSan Jose, CA 951281174598247
- Michael Gertner, MDSan Jose, CA 951281477517902
- Kathryn Joy, M.D.San Jose, CA 951281093179756
- Henry Trueblood, MDSan Jose, CA 951281043302540
- John Condie, M.D.San Jose, CA 951241639219553
- Janice YeungSan Jose, CA 951161891708921
Common questions
What is Antonio Kobyashi Coirin, M.D.'s NPI number?
Antonio Kobyashi Coirin, M.D.'s National Provider Identifier (NPI) is 1275573446, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Antonio Kobyashi Coirin, M.D. located?
The NPPES record lists a practice address at 1001 Sylvan Ave Ste A, Modesto, CA, 95350. Phone: (209) 422-6120. Providers update this record themselves, so call before visiting.
How can I verify Antonio Kobyashi Coirin, M.D.'s license?
NPPES lists California license number G59697, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Antonio Kobyashi Coirin, M.D. prescribe under Medicare Part D?
In 2024, Antonio Kobyashi Coirin, M.D. had 79 Medicare Part D claims for 27 beneficiaries; the average among trauma surgery physician prescribers was 48. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.