Dr. Chu-Pei Feng, MD
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 53
- Part D claims, 2024
- 52
- Industry payments
- $713
- Affiliated sites
- 1
- Practice address
- 1100 N Tustin Ave Suite A Suite A, Santa Ana, CA 92705-3509
- Practice phone
- Call (714) 835-8520
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orange County Radiation Oncology Medical Group
Medical specialty practice · Santa Ana, California
Find Dr. Feng'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. Chu-Pei Feng is a radiation oncologist in Santa Ana, California
Dr. Feng practices at Orange County Radiation Oncology Medical Group in Santa Ana, California.
Dr. Feng's NPI, 1922010073, was assigned on August 13, 2006. Dr. Feng graduated from China Medicine University in 1984. Dr. Feng holds California license A66204.
- NPI
- 1922010073NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527044437
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Practice phone
- (714) 835-8520
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Chu-Pei Feng practices at Orange County Radiation Oncology Medical Group in Santa Ana, California
Dr. Feng's primary practice is Orange County Radiation Oncology Medical Group, at 1100 N Tustin Ave Suite A Suite A, Santa Ana, CA 92705-3509. The practice phone is (714) 835-8520.
- Orange County Radiation Oncology Medical Group1100 N Tustin Ave Suite A Suite A, Santa Ana, CA 92705-3509Phone(714) 835-8520
Source: Dmand AI Affiliation Data
Dr. Chu-Pei Feng is affiliated with 1 site of care and 1 medical group
Dr. Feng's primary practice is Orange County Radiation Oncology Medical Group in Santa Ana, California. The medical group on file is Orange County Radiation Oncology Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chu-Pei Feng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County Radiation Oncology Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chu-Pei Feng is one of 685 radiation oncologists in California
Radiation oncology is Dr. Feng's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Feng is board certified in radiation oncology by the American Board of Radiology. Dr. Feng is licensed in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists bone cancer radiation and breast cancer radiation among the conditions Dr. Feng treats.
Radiation oncologists near Dr. Feng
Counts of radiation oncologists 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. Chu-Pei Feng billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. Feng across 5 procedure codes in 2024, for 53 Medicare patients. Medicare paid $15,370 for them. Every service was in an office.
Dr. Feng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 812024: 11643%
- Office and hospital visits
- 2023: 432024: 43No change
Dr. Feng compared with the California median for radiation oncologists, 2024
- Dr. Feng
- California median
- Medicare services
- 159vs 1,44489% below
- Medicare patients
- 53vs 16468% below
- Part D claims
- 12vs 3263% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Feng'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Feng and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chu-Pei Feng treated 53 Medicare patients in 2024, average age 74
CMS counts 53 Medicare patients who saw Dr. Feng in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have cancer, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Feng's median patient age at 66, with 69% women.
Dr. Feng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Feng's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure66%
- Arthritis53%
- Osteoporosis28%
- Diabetes26%
- Ischemic heart disease25%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Feng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chu-Pei Feng wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Feng wrote 52 Medicare Part D claims for 19 patients. 81% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $253 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Feng's Part D claims by kind of drug, 2024
- Generic42 claims81%
- Brand-name and other10 claims19%
Dr. Feng's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 122021: 12No change
Drugs named by CMS: 1 in 2021, 1 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Chu-Pei Feng received $713 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Feng from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Varian Medical Systems, Inc. paid the most, $223.
General payments to Dr. Feng by program year, 2016 to 2025
General payments to Dr. Feng by kind, 2016 to 2025
- Food and beverage$69998%
- Education$142%
Companies that paid Dr. Feng the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chu-Pei Feng graduated from China Medicine University
Dr. Feng graduated from China Medicine University in 1984.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Chu-Pei Feng accepts plans from 15 insurance carriers
Dr. Feng is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Molina
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Feng accepts, by number of carriers
- HMO8
- Medicare8
- PPO8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Chu-Pei Feng'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 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Chu-Pei Feng
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. Chu-Pei Feng's NPI number?
Dr. Chu-Pei Feng's NPI number is 1922010073. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chu-Pei Feng?
Dr. Chu-Pei Feng is a radiation oncologist in Santa Ana, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Chu-Pei Feng practice?
Dr. Feng practices at 1100 N Tustin Ave Suite A Suite A, Santa Ana, CA 92705-3509. Dr. Feng's primary practice is Orange County Radiation Oncology Medical Group in Santa Ana, California.
What is Dr. Chu-Pei Feng's office phone number?
The practice phone on file for Dr. Feng is (714) 835-8520.
What is Dr. Chu-Pei Feng's medical license number?
Dr. Feng holds California license A66204.
What medical group is Dr. Chu-Pei Feng part of?
Dr. Feng is linked to Orange County Radiation Oncology Center.
Does Dr. Chu-Pei Feng accept Medicare?
Yes. CMS data shows Dr. Feng billed Medicare for 159 services in 2024.
How many Medicare patients does Dr. Chu-Pei Feng see?
CMS counts 53 Medicare patients who saw Dr. Feng in 2024, with an average age of 74.
Is Dr. Chu-Pei Feng board certified?
Yes. Dr. Feng is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Chu-Pei Feng bill to Medicare?
In 2024, Dr. Feng's most billed Medicare services were office visit, established patient (99214), radiation oncology (77417) and radiation oncology (77336).
Show 5 more questionsShow fewer questions
Where did Dr. Chu-Pei Feng go to medical school?
Dr. Feng graduated from China Medicine University in 1984.
What drugs does Dr. Chu-Pei Feng prescribe most?
In 2021 Medicare Part D data, Dr. Feng's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Chu-Pei Feng received payments from drug or device companies?
CMS Open Payments shows $713 in general payments to Dr. Feng from 13 companies from 2016 to 2025. The largest total came from Varian Medical Systems, Inc.
How long has Dr. Chu-Pei Feng been practicing?
Dr. Feng graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Chu-Pei Feng accept?
Dr. Feng is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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