Doctor profile · Federal record

Dr. Chu-Pei Feng, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Santa Ana, CA

  • NPI 1922010073
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100-A N. Tustin Ave
Santa Ana, CA 927053509
(714) 835-8520
fax (714) 835-3610
Mailing address
1100 A North Tustin Ave
Santa Ana, CA 92705

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A66204
Medicaid
CA #00A662040

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922010073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124
Distinct HCPCS
4
Medicare allowed
$20,052
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 43 32 $132
77336 Continuing radiation therapy consultation per week 32 12 $96
77427 Radiation treatment management, 5 treatment sessions 32 12 $195
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 17 15 $299

In context: peer comparison

Among 2 peers in Santa Ana Radiation Oncology Physician, average services per provider: 56. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$124
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 1 $123.86

By nature of payment

Food and Beverage
$124

Frequently asked questions

Auto-generated from federal data
What is Dr. Chu-Pei Feng's medical specialty?
Dr. Chu-Pei Feng practices Radiation Oncology Physician in Santa Ana, CA.
Where does Dr. Chu-Pei Feng practice?
Dr. Chu-Pei Feng practices at 1100-A N. Tustin Ave, Santa Ana, CA 927053509. Office phone: 7148358520.
What is Dr. Chu-Pei Feng's NPI?
Dr. Chu-Pei Feng's National Provider Identifier (NPI) is 1922010073, issued by NPPES.
Does Dr. Chu-Pei Feng accept Medicare assignment?
Dr. Chu-Pei Feng does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Chu-Pei Feng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuing radiation therapy consultation per week (HCPCS 77336); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.