Active NPI 1275573446 Individual Practitioner Male Practitioner

Dr. Antonio Kobyashi Coirin , MD

Surgery - Trauma Surgery • Modesto, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Antonio Coirin, MD is a certified Surgery - Trauma Surgery practicing in Modesto, CA. With approximately 41 years of clinical experience since graduating from University Of California, Davis School Of Medicine in 1985, Dr. Coirin delivers high-quality medical care to the local community at 1001 SYLVAN AVE STE A.

Dr. Coirin maintains professional affiliations with Central California Bariatric Surgery A Medical Corporation, Surgical Associates Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1001 Sylvan Ave Ste A

Modesto, CA 953501699

Telephone 2094226120

Associated Practice Facility / Clinic

🏢 Central California Bariatric Surgery A Medical Corporation Facility NPI 1124141163

Medicare Profile & Education

Medical School

University Of California, Davis School Of Medicine

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Trauma Surgery in Modesto, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +15.0 yrs vs City Avg

City Avg: 26.0 Yrs

State Avg: 23.0 Yrs

Regional Practice Density

2 Specialists

Practicing in Modesto, CA (150 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

60.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Coirin (41 Years) 41 Yrs

Modesto Specialty Average (26.0 Years) 26.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	45	34	$312.22	$127.53
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	43	11	$350.00	$116.66
99213 Established patient office or other outpatient visit, typically 15 minutes	40	23	$203.75	$91.22
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$418.18	$169.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	157	97	$349.68	$117.83
99213 Established patient office or other outpatient visit, typically 15 minutes	54	45	$275.00	$73.36
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	12	12	$5000.00	$1115.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	58	$350.00	$120.91
99213 Established patient office or other outpatient visit, typically 15 minutes	39	31	$275.00	$75.42
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	13	12	$5000.00	$1232.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	47	$350.00	$128.87
99213 Established patient office or other outpatient visit, typically 15 minutes	65	40	$275.00	$76.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	56	$350.00	$108.67
99213 Established patient office or other outpatient visit, typically 15 minutes	45	39	$275.00	$70.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	118	$349.01	$111.28
99213 Established patient office or other outpatient visit, typically 15 minutes	92	69	$275.00	$76.22
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	16	16	$6000.00	$692.01
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	16	16	$4750.00	$1313.80
47562 Removal of gallbladder using an endoscope	12	12	$1500.00	$441.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$400.00	$167.87
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	11	11	$100.00	$23.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	23	$350.00	$106.86
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	16	15	$5000.00	$1116.89
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$275.00	$72.41
47562 Removal of gallbladder using an endoscope	12	12	$1500.00	$414.45
43644 Bypass operation of stomach using an endoscope	12	12	$6500.00	$1663.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	209	103	$325.00	$71.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	23	$400.00	$104.03
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	19	19	$500.00	$198.74
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	11	11	$5327.27	$1207.19

Medical Specialties & State Licenses

CMS Verified: 2025-05-07

Surgery - Trauma Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0127X

State License CA G59697

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G596971 (CA)

Hospital & Practice Group Affiliations

Surgical Associates Inc

1700 Coffee Rd, Modesto, CA 953552803

Phone: 2094042261

Central California Bariatric Surgery A Medical Corporation

1552 Coffee Rd, Modesto, CA 953553122

Phone: 2092487168151

Surgical Associates Inc

1700 Coffee Rd, Modesto, CA 953552803

Secondary Practice Locations

644 E Harding Way Ste B

Stockton, CA 952046103

Phone: 2092487168

1552 Coffee Rd Ste 200

Modesto, CA 953553122

Phone: 2092487168

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Dr. Patrick Coates , MD

Surgery

NPI 1063479301

Doctor of Medicine (M.D.)

Anna Davila , PA

Physician Assistant - Surgical

NPI 1205079514

Physician Assistant

Donald Paulsen , PA

Physician Assistant - Surgical

NPI 1497895775

Physician Assistant

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

13 Historical Events

📍

Updated Practice Location May 07, 2025

Registered at 1001 SYLVAN AVE STE A, MODESTO, CA 953501699 (Tel: 2094226120)

📍

Updated Business Mailing Address May 07, 2025

Registered at 1001 SYLVAN AVE STE A, MODESTO, CA 953501699 (Tel: 2092487168)

✅

NPI Profile Active October 26, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location October 26, 2017

Registered at 1552 COFFEE RD STE 200, MODESTO, CA 953553122 (Tel: 2092487168)

📍

Updated Business Mailing Address October 26, 2017

Registered at 1552 COFFEE RD STE 200, MODESTO, CA 953553122 (Tel: 2092487168)

👤

Provider Name / Credentials Updated October 26, 2017

Recorded as ANTONIO COIRIN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 26, 2017

Surgery (License #G59697 in CA)

✅

NPI Profile Active December 31, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location December 31, 2013

Registered at 1329 SPANOS CT, STE B4, MODESTO, CA 953552806 (Tel: 2093007947)

📍

Updated Business Mailing Address December 31, 2013

Registered at 1329 SPANOS CT, STE B4, MODESTO, CA 953552806 (Tel: 2093007947)

👤

Provider Name / Credentials Updated December 31, 2013

Recorded as ANTONIO COIRIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 31, 2013

Surgery (License #G59697 in CA)

🟢

Initial NPI Registration & Enumeration June 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1275573446

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 07, 2006

Last Update: May 07, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1001 Sylvan Ave Ste A

Modesto, CA 953501699

Phone: 2092487168

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.