Dr. Antonio Kobyashi Coirin, MD
- Medicare services, 2024
- 139
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 79
- Hospital affiliations
- 3
- Industry payments
- $249,808
- Practice address
- 1700 Coffee Rd, Modesto, CA 95355
- Practice phone
- Call (209) 526-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Coirin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Antonio Kobyashi Coirin is a trauma surgery physician in Modesto, California
Dr. Coirin practices at Memorial Medical Center in Modesto, California, part of Sutter Health.
Dr. Coirin's NPI, 1275573446, was assigned on June 7, 2006. Dr. Coirin graduated from UC Davis School of Medicine in 1985. Dr. Coirin holds California license G59697.
- NPI
- 1275573446NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981643608
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 526-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Antonio Kobyashi Coirin practices at Memorial Medical Center in Modesto, California
Dr. Coirin's primary practice is Memorial Medical Center, at 1700 Coffee Rd, Modesto, CA 95355 in Stanislaus County. The practice phone is (209) 526-4500.
- Memorial Medical Center1700 Coffee Rd, Modesto, CA 95355 · Stanislaus CountyPhone(209) 526-4500
Source: Dmand AI Affiliation Data
Dr. Antonio Kobyashi Coirin is affiliated with 6 sites of care and 4 medical groups
Dr. Coirin's primary practice is Memorial Medical Center in Modesto, California, part of Sutter Health. Dr. Coirin is also affiliated with Dignity Health - Mark Twain Medical Center. The medical group on file is San Joaquin Faculty Medical Group. Dmand AI also links Dr. Coirin to 1 more hospital, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Antonio Kobyashi Coirin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Coirin practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Medical Center | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Antonio Kobyashi Coirin is one of 121 trauma surgery physicians in California
Trauma surgery is Dr. Coirin's primary specialty in the NPI Registry, under taxonomy code 2086S0127X. Dr. Coirin is board certified in surgery by the American Board of Surgery. Dr. Coirin is licensed in California.
Specialties and state licenses
- Trauma surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, appendectomy, bariatric surgery, colon removal and esophagus, stomach, or upper small intestine surgery among the conditions Dr. Coirin treats.
Trauma surgery physicians near Dr. Coirin
Counts of trauma surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Antonio Kobyashi Coirin billed Medicare for 139 services in 2024
CMS data shows 139 Medicare services from Dr. Coirin across 4 procedure codes in 2024, for 78 Medicare patients. Medicare paid $11,569 for them.
Dr. Coirin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2112024: 13934%
- Surgery
- 2023: 122024: 0100%
Where Dr. Coirin's Medicare services took place, 2024
- In an office8561%
- In a facility5439%
Dr. Coirin compared with the California median for trauma surgery physicians, 2024
- Dr. Coirin
- California median
- Medicare services
- 139vs 18023% below
- Medicare patients
- 78vs 13241% below
- Part D claims
- 46vs 172.7 times
Medians across 113 trauma surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Coirin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Coirin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Coirin and other trauma surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Antonio Kobyashi Coirin treated 78 Medicare patients in 2024, average age 64
CMS counts 78 Medicare patients who saw Dr. Coirin in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Coirin's median patient age at 50, with 60% women.
Dr. Coirin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Coirin's Medicare patients by sex, 2024
- Women5773%
- Men2127%
Chronic conditions among Dr. Coirin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis55%
- Anxiety40%
- Diabetes40%
- Mood disorders38%
- Depression35%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Coirin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Antonio Kobyashi Coirin wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Coirin wrote 79 Medicare Part D claims for 27 patients. 90% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $362 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Coirin's Part D claims by kind of drug, 2024
- Generic71 claims90%
- Brand-name and other8 claims10%
Dr. Coirin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Coirin's Part D claims, 2024
- Opioids15%12 of 79 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 46318%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Antonio Kobyashi Coirin takes part in Medicare
Dr. Coirin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Antonio Kobyashi Coirin received $249,808 in industry payments from 2016 to 2025
CMS Open Payments shows 382 general payments to Dr. Coirin from 16 drug and device companies from 2016 to 2025. Education make up the largest share, 53% of the total. Intuitive Surgical, Inc. paid the most, $238,946.
General payments to Dr. Coirin by program year, 2016 to 2025
General payments to Dr. Coirin by kind, 2016 to 2025
- Education$133,50053%
- Speaker and faculty fees$79,50032%
- Travel and lodging$21,2809%
- Food and beverage$15,5296%
Companies that paid Dr. Coirin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Antonio Kobyashi Coirin has 1 award and honors on record
Dmand AI lists 1 award for Dr. Coirin.
Awards and honors for Dr. Coirin
- Undated
- Compassionate Doctors
Source: Dmand AI Professional Profile Data
Dr. Antonio Kobyashi Coirin graduated from UC Davis School of Medicine
Dr. Coirin graduated from UC Davis School of Medicine in 1985. Dr. Coirin is a member of SLS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Antonio Kobyashi Coirin accepts plans from 16 insurance carriers
Dr. Coirin is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Coirin accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Antonio Kobyashi Coirin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Antonio Kobyashi Coirin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Antonio Kobyashi Coirin's NPI number?
Dr. Antonio Kobyashi Coirin's NPI number is 1275573446. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Antonio Kobyashi Coirin?
Dr. Antonio Kobyashi Coirin is a trauma surgery physician in Modesto, California. The primary specialty in the NPI Registry is Trauma Surgery Physician (taxonomy code 2086S0127X).
Where does Dr. Antonio Kobyashi Coirin practice?
Dr. Coirin practices at 1700 Coffee Rd, Modesto, CA 95355. Dr. Coirin's primary practice is Memorial Medical Center in Modesto, California, part of Sutter Health. Dmand AI also links Dr. Coirin to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. Antonio Kobyashi Coirin's office phone number?
The practice phone on file for Dr. Coirin is (209) 526-4500.
What is Dr. Antonio Kobyashi Coirin's medical license number?
Dr. Coirin holds California license G59697.
Which hospitals is Dr. Antonio Kobyashi Coirin affiliated with?
Dr. Coirin practices at Memorial Medical Center in Modesto, California. Dr. Coirin is also affiliated with Dignity Health - Mark Twain Medical Center. Dmand AI links Dr. Coirin to 1 more hospital.
What medical group is Dr. Antonio Kobyashi Coirin part of?
Dr. Coirin is linked to San Joaquin Faculty Medical Group. Dmand AI links Dr. Coirin to 3 more medical groups.
Does Dr. Antonio Kobyashi Coirin accept Medicare?
Yes. CMS data shows Dr. Coirin billed Medicare for 139 services in 2024, and Dr. Coirin accepts Medicare assignment.
How many Medicare patients does Dr. Antonio Kobyashi Coirin see?
CMS counts 78 Medicare patients who saw Dr. Coirin in 2024, with an average age of 64.
Is Dr. Antonio Kobyashi Coirin board certified?
Yes. Dr. Coirin is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Antonio Kobyashi Coirin bill to Medicare?
In 2024, Dr. Coirin's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99213).
Where did Dr. Antonio Kobyashi Coirin go to medical school?
Dr. Coirin graduated from UC Davis School of Medicine in 1985.
What drugs does Dr. Antonio Kobyashi Coirin prescribe most?
In 2024 Medicare Part D data, Dr. Coirin's most prescribed drugs by claims were Ondansetron ODT, Omeprazole and Hydrocodone-Acetaminophen.
Has Dr. Antonio Kobyashi Coirin received payments from drug or device companies?
CMS Open Payments shows $249,808 in general payments to Dr. Coirin from 16 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Antonio Kobyashi Coirin been practicing?
Dr. Coirin graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Antonio Kobyashi Coirin accept?
Dr. Coirin is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to trauma surgery practices?
See trauma surgery physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card