DR. JEFFREY CHUNYA CHAO MD
NPI 1164515995
Surgery in Orange, CA

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S, ORANGE, CA 92868(714) 880-7812 Get Directions Write a Review

NPPES record last updated: October 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2022, Aug 25, 2021, Dec 16, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Jeffrey Chunya Chao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEFFREY CHUNYA CHAO MD (NPI 1164515995) is an individual surgery provider in Orange, California, licensed in California (C54663) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Pensacola, and is a graduate of University Of Louisville School Of Medicine (2001).

NPPES Registry Identity

NPI1164515995
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. JEFFREY CHUNYA CHAOCredential: MD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2001
Enumeration DateOctober 2, 2006
Last NPPES UpdateOctober 25, 20244 updates tracked since enumeration
NPPES CertifiedNovember 3, 2022
✔ NPI 1164515995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · C54663
Definition
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.
101 THE CITY DR S, Orange, CA 92868

Secondary Practice Location 1

Location 1220 Hovey RdPensacola, FL 32508-1044 · Phone (850) 452-9484

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jeffrey Chunya Chao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355578535
PECOS Enrollment IDI20131219001396
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jeffrey Chao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 180 clinicians in this Medicare group
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
18 services18 patients
Ultrasound scan of chest 76604
An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.
13 services13 patients
Limited ultrasound scan of abdomen 76705
A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.
13 services13 patients
Limited ultrasound scan behind abdominal cavity 76775
A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.
13 services13 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Chao's NPI number?

The NPI number for Jeffrey Chao is 1164515995. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Jeffrey Chao located?

Jeffrey Chao practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.

What is Jeffrey Chao's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Jeffrey Chao enrolled in Medicare?

Yes. Jeffrey Chao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jeffrey Chao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Chao reassigns Medicare benefits to 2 organizations: University Surgeons Of Orange A Medical Group (Orange, CA) and Southern California Permanente Medical Group (Anaheim, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Chao was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.