Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1164515995 Individual Practitioner Male Practitioner

Dr. Jeffrey Chunya Chao , MD

Surgery • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jeffrey Chao, MD is a certified Surgery practicing in Orange, CA. With approximately 25 years of clinical experience since graduating from University Of Louisville School Of Medicine in 2001, Dr. Chao delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Chao maintains professional affiliations with Southern California Permanente Medical Group, University Surgeons Of Orange A Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include critical care, first, ultrasound scan of chest, limited ultrasound scan behind abdominal cavity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S

Orange, CA 928683201

Telephone 7148807812
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

University Of Louisville School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Orange, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
25 Yrs +5.6 yrs vs City Avg
City Avg: 19.4 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
63 Specialists

Practicing in Orange, CA (3346 Statewide)

Telehealth Adoption Rate
30.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
77.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chao (25 Years) 25 Yrs
Orange Specialty Average (19.4 Years) 19.4 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
99291 Critical care, first 30-74 minutes
18 18 $963.00 $217.04
76604 Ultrasound scan of chest
13 13 $126.00 $26.37
76775 Limited ultrasound scan behind abdominal cavity
13 13 $126.00 $28.19
76705 Limited ultrasound scan of abdomen
13 13 $129.00 $28.52
93308 Ultrasound of heart, follow-up
12 12 $118.00 $25.54

Medical Specialties & State Licenses

CMS Verified: 2022-11-03
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA C54663

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Southern California Permanente Medical Group

6640 Alton Pkwy, Irvine, CA 926183734

Phone: 9499325000

Southern California Permanente Medical Group

6650 Alton Pkwy, Irvine, CA 926183734

Phone: 9499325000

Southern California Permanente Medical Group

3430 E La Palma Ave, Anaheim, CA 928062020

Phone: 8889882800

University Surgeons Of Orange A Medical Group

101 The City Dr S, Orange, CA 928683201

Phone: 7146345549

Southern California Permanente Medical Group

6670 Alton Pkwy, Irvine, CA 926183734

Phone: 9499325000

Southern California Permanente Medical Group

3460 E La Palma Ave, Anaheim, CA 928062020

Phone: 7146442010

Southern California Permanente Medical Group

5475 E La Palma Ave, Anaheim, CA 928072075

Phone: 7142796088

Secondary Practice Locations

220 Hovey Rd

Pensacola, FL 325081044

Phone: 8504529484

Practice Associates & Co-Workers

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

40 Associated Practitioners
Miranda Ideal , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003378944

Certified Registered Nurse Anesthetist

Dr. David Floriolli , MD

Radiology - Neuroradiology

NPI 1013233212

Doctor of Medicine (M.D.)

Dr. Jesse Goitia , MD

Internal Medicine - Cardiovascular Disease

NPI 1013301290

Doctor of Medicine (M.D.)

Elen Araya , FNP

Nurse Practitioner

NPI 1023225281

Family Nurse Practitioner

Dr. Hayley Kristinsson , PsyD

Clinical Neuropsychologist

NPI 1023500493

Doctor of Psychology (Psy.D.)

Dr. Madushka De Zoysa , MD

Obstetrics & Gynecology

NPI 1023533387

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location November 03, 2022

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7148807812)

📍
Updated Business Mailing Address November 03, 2022

Registered at 200 S MANCHESTER AVE STE 300, ORANGE, CA 928683219 (Tel: 7144562986)

📍
Updated Practice Location August 25, 2021

Registered at 220 HOVEY ROAD, PENSACOLA, FL 325081047 (Tel: 8504529484)

📍
Updated Business Mailing Address August 25, 2021

Registered at 220 HOVEY ROAD, PENSACOLA, FL 325081047 (Tel: 8504529484)

NPI Profile Active December 16, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location December 16, 2016

Registered at 34800 BOB WILSON DR, NMCSD GENERAL SURGERY, SAN DIEGO, CA 921341098 (Tel: 6194535465)

📍
Updated Business Mailing Address December 16, 2016

Registered at 34800 BOB WILSON DR, NMCSD GENERAL SURGERY, SAN DIEGO, CA 921341098

👤
Provider Name / Credentials Updated December 16, 2016

Recorded as JEFFREY CHAO, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 16, 2016

Surgery (License #C54663 in CA)

🟢
Initial NPI Registration & Enumeration October 02, 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: 1164515995
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 02, 2006
Last Update: October 25, 2024
Sole Proprietor: No

Mailing Address

200 S Manchester Ave Ste 300

Orange, CA 928683219

Phone: 7144562986

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.