Doctor profile · Federal record
Dr. Allen Chen, M.D.
Radiation Oncology Physician · Orange, CA
- NPI 1518992981
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
101 the City Dr S
Orange, CA 928683201
(714) 880-7812 - Additional location
-
4001 Rainbow Blvd.
Kansas City, KS 66160
(913) 588-3612
fax (913) 588-3663 - Mailing address
-
200 S Manchester Ave Ste 300
Orange, CA 928683219
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 3, 2022
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #A84562
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518992981. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
288
Distinct HCPCS
4
Medicare allowed
$18,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 220 | 11 | $49 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 29 | 21 | $75 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 25 | $105 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $194 |
In context: peer comparison
Among 8 peers in Orange Radiation Oncology Physician, average services per provider: 113. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$735
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Zoll Medical Corporation | 1 | $735.00 |
By nature of payment
Frequently asked questions
What is Dr. Allen Chen's medical specialty?
Dr. Allen Chen practices Radiation Oncology Physician in Orange, CA.
Where does Dr. Allen Chen practice?
Dr. Allen Chen practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7148807812.
What is Dr. Allen Chen's NPI?
Dr. Allen Chen's National Provider Identifier (NPI) is 1518992981, issued by NPPES.
What procedures does Dr. Allen Chen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.