Dr. Jeffrey Chunya Chao, MD
- Medicare services, 2024
- 69
- Medicare patients, 2024
- 29
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $286
- Practice address
- 3440 E La Palma Ave, Anaheim, CA 92806
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chao's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jeffrey Chunya Chao is a general surgeon in Anaheim, California
Dr. Chao practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
Dr. Chao's NPI, 1164515995, was assigned on October 2, 2006. Dr. Chao graduated from University Of Louisville School Of Medicine in 2001. Dr. Chao holds California license C54663.
- NPI
- 1164515995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355578535
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Chunya Chao practices at Orange County - Anaheim Medical Center in Anaheim, California
Dr. Chao's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.
- Orange County - Anaheim Medical Center3440 E La Palma Ave, Anaheim, CA 92806 · Orange CountyPhone(714) 279-4000
Source: Dmand AI Affiliation Data
Dr. Jeffrey Chunya Chao is affiliated with 1 site of care and 2 medical groups
Dr. Chao's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chao to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Chunya Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County - Anaheim Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Chunya Chao is one of 2,926 general surgeons in California
Surgery is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chao is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Chao's licenses on file in 2 states: California and Virginia.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Virginia license
Clinical focus
Dmand AI lists chest trauma, multiple traumatic injuries, non-surgical back problems and traumatic coma among the conditions Dr. Chao treats.
General surgeons near Dr. Chao
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Chunya Chao billed Medicare for 69 services in 2024
CMS data shows 69 Medicare services from Dr. Chao across 5 procedure codes in 2024, for 29 Medicare patients. Medicare paid $4,026 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 02024: 39
- Office and hospital visits
- 2023: 792024: 1877%
- Tests and treatments
- 2023: 02024: 12
Dr. Chao compared with the California median for general surgeons, 2024
- Dr. Chao
- California median
- Medicare services
- 69vs 16658% below
- Medicare patients
- 29vs 12176% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Chao's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chao?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chao and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Chunya Chao treated 29 Medicare patients in 2024, average age 76
CMS counts 29 Medicare patients who saw Dr. Chao in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 2.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chao's median patient age at 51, with 45% women.
Dr. Chao's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chao's Medicare patients by sex, 2024
- Women1345%
- Men1655%
Chronic conditions among Dr. Chao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Ischemic heart disease59%
- Chronic kidney disease55%
- Diabetes55%
- Heart failure52%
- COPD45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jeffrey Chunya Chao takes part in Medicare
Dr. Chao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jeffrey Chunya Chao has 1 publication on record
Dmand AI links 1 paper to Dr. Chao. Dr. Chao's most frequent co-author is Paul Albert Lucha, DO.
Dr. Chao's most frequent co-authors
Recent publications by Dr. Chao
See who Dr. Chao researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chao works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey Chunya Chao received $286 in industry payments from 2017 to 2025
CMS Open Payments shows 11 general payments to Dr. Chao from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $148.
General payments to Dr. Chao by program year, 2017 to 2025
Companies that paid Dr. Chao the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Chunya Chao has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chao.
Awards and honors for Dr. Chao
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Jeffrey Chunya Chao graduated from University Of Louisville School Of Medicine
Dr. Chao graduated from University Of Louisville School Of Medicine in 2001. Dr. Chao is a member of ACS.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. Jeffrey Chunya Chao accepts plans from 13 insurance carriers
Dr. Chao is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Chao accepts, by number of carriers
- PPO9
- HMO6
- Medicare6
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jeffrey Chunya Chao's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jeffrey Chunya Chao
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jeffrey Chunya Chao's NPI number?
Dr. Jeffrey Chunya Chao's NPI number is 1164515995. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Chunya Chao?
Dr. Jeffrey Chunya Chao is a general surgeon in Anaheim, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jeffrey Chunya Chao practice?
Dr. Chao practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Chao's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dmand AI also links Dr. Chao to 1 medical group.
What is Dr. Jeffrey Chunya Chao's office phone number?
The practice phone on file for Dr. Chao is (714) 279-4000.
What is Dr. Jeffrey Chunya Chao's medical license number?
Dr. Chao holds California license C54663, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey Chunya Chao been licensed in?
Dmand AI has state licenses on file for Dr. Chao in California (2011 to 2026) and Virginia (2001 to 2014).
Which hospitals is Dr. Jeffrey Chunya Chao affiliated with?
Dr. Chao practices at Orange County - Anaheim Medical Center in Anaheim, California.
What medical group is Dr. Jeffrey Chunya Chao part of?
Dr. Chao is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Chao to 1 more medical group.
Does Dr. Jeffrey Chunya Chao accept Medicare?
Yes. CMS data shows Dr. Chao billed Medicare for 69 services in 2024, and Dr. Chao accepts Medicare assignment.
How many Medicare patients does Dr. Jeffrey Chunya Chao see?
CMS counts 29 Medicare patients who saw Dr. Chao in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Jeffrey Chunya Chao board certified?
Yes. Dr. Chao is board certified in surgery by the American Board of Surgery.
What services does Dr. Jeffrey Chunya Chao bill to Medicare?
In 2024, Dr. Chao's most billed Medicare services were critical care (99291), ultrasound (76604) and ultrasound (76705).
Where did Dr. Jeffrey Chunya Chao go to medical school?
Dr. Chao graduated from University Of Louisville School Of Medicine in 2001.
Has Dr. Jeffrey Chunya Chao received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Dr. Chao from 4 companies from 2017 to 2025. The largest total came from Allergan Inc.
How long has Dr. Jeffrey Chunya Chao been practicing?
Dr. Chao graduated from medical school in 2001, 25 years ago.
Does Dr. Jeffrey Chunya Chao do research?
Dmand AI links 1 publication to Dr. Chao.
Who does Dr. Jeffrey Chunya Chao publish with?
Dr. Chao's most frequent co-authors are Paul Albert Lucha, DO (1 shared paper).
What insurance does Dr. Jeffrey Chunya Chao accept?
Dr. Chao is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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