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Active NPI 1700867298 Individual Practitioner Male Practitioner

Dr. James Chia-Chung Chang , MD

Anesthesiology • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Chang, MD is a certified Anesthesiology practicing in Orange, CA. With approximately 43 years of clinical experience since completing medical education in 1983, Dr. Chang delivers high-quality medical care to the local community at 2601 E CHAPMAN AVE.

Dr. Chang is affiliated with Orange Coast Anesthesia Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for procedure on eyelid, anesthesia for procedure on small and large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2601 E Chapman Ave

Orange, CA 92869

Telephone 7146330011
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Orange, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
43 Yrs +25.0 yrs vs City Avg
City Avg: 18.0 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
269 Specialists

Practicing in Orange, CA (7879 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
89.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (43 Years) 43 Yrs
Orange Specialty Average (18.0 Years) 18.0 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
00142 Anesthesia for lens surgery
88 87 $1191.02 $124.16
00103 Anesthesia for procedure on eyelid
25 25 $3011.20 $316.77

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA A44296

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
00A442961 (CA)

Hospital & Practice Group Affiliations

Orange Coast Anesthesia Inc

2601 E Chapman Ave, Orange, CA 928693206

Phone: 7146330011

Practice Associates & Co-Workers

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

15 Associated Practitioners
Dr. Frank Pezzlo , MD

Pathology - Cytopathology

NPI 1093791899

Doctor of Medicine (M.D.)

Usha Desai , RNFA

Registered Nurse - Registered Nurse First Assistant

NPI 1144357914
NPI 1154319754

Doctor of Medicine (M.D.)

NPI 1275626871

Doctor of Medicine (M.D.)

Dr. Gary Bennett , MD

Anesthesiology - Pain Medicine

NPI 1275629107

Doctor of Medicine (M.D.)

Dr. Anita Wang , MD

Emergency Medicine

NPI 1336189794

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location August 03, 2018

Registered at 2601 E CHAPMAN AVE, ORANGE, CA 92869 (Tel: 7146330011)

📍
Updated Business Mailing Address August 03, 2018

Registered at PO BOX 60790, PASADENA, CA 911166790 (Tel: 6266396112)

NPI Profile Active March 26, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location March 26, 2014

Registered at 2601 E CHAPMAN AVE, ORANGE, CA 928693206 (Tel: 7146330011)

📍
Updated Business Mailing Address March 26, 2014

Registered at PO BOX 1809, ORANGE, CA 928560809 (Tel: 7145601580)

👤
Provider Name / Credentials Updated March 26, 2014

Recorded as JAMES CHANG, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2014

Anesthesiology (License #A44296 in CA)

🟢
Initial NPI Registration & Enumeration November 10, 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: 1700867298
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 10, 2005
Last Update: August 03, 2018
Sole Proprietor: No

Mailing Address

Po Box 60790

Pasadena, CA 911166790

Phone: 6266396112

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.