Doctor profile · Federal record
Dr. Usama Mahmood, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Fountain Valley, CA
- NPI 1386848844
- Accepts Medicare
- 20 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
18111 Brookhurst St # Ll0300
Fountain Valley, CA 927086728
(714) 962-7100
fax (714) 963-7600 - Mailing address
-
Po Box 844945
Los Angeles, CA 900844945
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- December 6, 2016
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- Texas #P035
- Medicaid
- TX #301292401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386848844. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,716
Distinct HCPCS
10
Medicare allowed
$139,295
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 395 | 30 | $22 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 374 | 30 | $48 | |
77300 |
Calculation of radiation therapy dose | 213 | 53 | $35 | |
77427 |
Radiation treatment management, 5 treatment sessions | 164 | 42 | $204 | |
77334 |
Design and construction of complex radiation treatment device | 124 | 36 | $63 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 95 | 50 | $69 | |
77263 |
Complex radiation therapy planning | 58 | 52 | $177 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 46 | 46 | $190 | |
77332 |
Design and construction of simple radiation treatment device | 38 | 32 | $25 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 33 | 29 | $242 |
In context: peer comparison
Among 2 peers in Fountain Valley Radiation Oncology Physician, average services per provider: 118. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$720
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $525.00 | |
| Medtronic, INC. | 1 | $155.41 | |
| Siemens Medical Solutions USA, INC. | 1 | $39.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
36
Total drug cost
$718
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 26 | 18 | $668 |
| Ciprofloxacin Hcl | Generic | 19 | 18 | $50 |
Frequently asked questions
What is Dr. Usama Mahmood's medical specialty?
Dr. Usama Mahmood practices Radiation Oncology Physician in Fountain Valley, CA.
Where does Dr. Usama Mahmood practice?
Dr. Usama Mahmood practices at 18111 Brookhurst St # Ll0300, Fountain Valley, CA 927086728. Office phone: 7149627100.
What is Dr. Usama Mahmood's NPI?
Dr. Usama Mahmood's National Provider Identifier (NPI) is 1386848844, issued by NPPES.
Does Dr. Usama Mahmood accept Medicare assignment?
Yes. Dr. Usama Mahmood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Usama Mahmood commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.