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Active NPI 1588641963 Individual Practitioner Male Practitioner

Dr. James Saeyung Ahn , MD

Anesthesiology • Corona, CA

✓ Accepts Medicare Assignment
Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. James Ahn, MD is a registered Anesthesiology practitioner in Corona, CA. With approximately 36 years of clinical practice since completing medical education in 1990, Dr. Ahn provides healthcare services at the registered practice location at 800 S MAIN ST.

Dr. Ahn is affiliated with Corona Anesthesia Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure in upper abdomen including use of an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

800 S Main St

Corona, CA 928823420

Telephone 9517374343
Associated Practice Facility / Clinic
🏢 Uhs-Corona Inc Facility NPI 1346236015

Medicare Profile & Education

Medical School

Other

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Corona, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
36 Yrs +11.4 yrs vs City Avg
City Avg: 24.6 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
18 Specialists

Practicing in Corona, CA (7879 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
94.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ahn (36 Years) 36 Yrs
Corona Specialty Average (24.6 Years) 24.6 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
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
19 17 $2613.95 $157.47

Medical Specialties & State Licenses

CMS Verified: 2023-07-14
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA G84344

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00G843440 (CA)

Hospital & Practice Group Affiliations

Corona Anesthesia Group Inc

800 S Main St, Corona, CA 928823420

Phone: 9517374343

Secondary Practice Locations

1500 Duarte Rd

Duarte, CA 910103012

Phone: 6262564673

Practice Associates & Co-Workers

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

39 Associated Practitioners
Aaron Deatherage

Student in an Organized Health Care Education/Training Program

NPI 1003563875
Crystal Soule

Dietitian, Registered

NPI 1023257284
NPI 1043266802

Doctor of Medicine (M.D.)

Dhiren Patel , FNP-C

Nurse Practitioner - Family

NPI 1083588362

Family Nurse Practitioner (Certified)

Melanie Pingel , NP

Nurse Practitioner

NPI 1114611761

Nurse Practitioner

Luis Villegas

Emergency Medicine

NPI 1134507486

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location July 14, 2023

Registered at 800 S MAIN ST, CORONA, CA 928823420 (Tel: 9517374343)

📍
Updated Business Mailing Address July 14, 2023

Registered at 800 S MAIN ST, CORONA, CA 928823420

NPI Profile Active November 20, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location November 20, 2008

Registered at 17100 EUCLID ST, FOUNTAIN VALLEY, CA 927084004 (Tel: 7149667200)

📍
Updated Business Mailing Address November 20, 2008

Registered at 210 N TUSTIN AVE, SANTA ANA, CA 927053807 (Tel: 8008837243)

👤
Provider Name / Credentials Updated November 20, 2008

Recorded as JAMES AHN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2008

Anesthesiology (License #G84344 in CA)

🟢
Initial NPI Registration & Enumeration December 28, 2005

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: 1588641963
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 28, 2005
Last Update: May 08, 2024
Sole Proprietor: No

Mailing Address

800 S Main St

Corona, CA 928823420

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.