Doctor profile · Federal record

Dr. Alireza Mahmoudieh, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Merced, CA

  • NPI 1720166309
  • Accepts Medicare
  • MIPS 99.2 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3303 M St
Merced, CA 953482714
(209) 726-3410
fax (209) 726-3371
Mailing address
Po Box 511597
Los Angeles, CA 900518152

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
June 24, 2014
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A90452
Medicaid
CA #00A904520

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720166309. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,970
Distinct HCPCS
10
Medicare allowed
$1,591,034
HCPCS Description Services Patients Avg allowed
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 1,312 36 $390
77014 Ct guidance for insertion of radiation therapy fields 1,245 38 $129
99214 Established patient office or other outpatient visit, 30-39 minutes 766 291 $131
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 616 23 $291
77768 High dose skin surface radiation therapy, 2 channels and lesion diameter more than 2.0 cm, or multiple lesions 579 19 $390
77300 Calculation of radiation therapy dose 486 40 $69
77336 Continuing radiation therapy consultation per week 419 64 $92
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 319 40 $31
77427 Radiation treatment management, 5 treatment sessions 254 37 $196
J1200 Injection, diphenhydramine hcl, up to 50 mg 217 40 $0

In context: peer comparison

Among 1 peers in Merced Radiation Oncology Physician, average services per provider: 221. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,750
Transactions
72
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 11 $344.52
Janssen Biotech, INC. 8 $223.12
Sobi, INC 3 $221.00
Novartis Pharmaceuticals Corporation 7 $179.13
Regeneron Healthcare Solutions, INC. 5 $157.03
Pfizer INC. 10 $155.25
Dendreon Pharmaceuticals LLC 4 $117.95
AstraZeneca Pharmaceuticals Lp 5 $116.44
Deciphera Pharmaceuticals INC. 3 $89.98
Genzyme Corporation 2 $79.77
Astellas Pharma US INC 3 $73.71
Bayer Healthcare Pharmaceuticals INC. 3 $72.20
Abbvie INC. 3 $69.12
Boehringer Ingelheim Pharmaceuticals, INC. 3 $67.88
Takeda Pharmaceuticals U.S.A., INC. 2 $64.31

By nature of payment

Food and Beverage
$2,560
Education
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
778
Patients
229
Total drug cost
$1,748,323
Drug Type Claims Patients Total cost
Abiraterone Acetate Generic 103 15 $481,283
Prednisone Generic 99 17 $453
Diphenhydramine Hcl Generic 73 18 $177
Dexamethasone Sodium Phosphate Generic 67 14 $207
Ondansetron Hcl Generic 65 23 $1,572
Keytruda (Pembrolizumab) Brand 53 0 $629,395
Xgeva (Denosumab) Brand 49 0 $164,622
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 48 41 $752
Anastrozole Generic 47 15 $1,913
Lorazepam Generic 40 32 $102

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alireza Mahmoudieh's medical specialty?
Dr. Alireza Mahmoudieh practices Radiation Oncology Physician in Merced, CA.
Where does Dr. Alireza Mahmoudieh practice?
Dr. Alireza Mahmoudieh practices at 3303 M St, Merced, CA 953482714. Office phone: 2097263410.
What is Dr. Alireza Mahmoudieh's NPI?
Dr. Alireza Mahmoudieh's National Provider Identifier (NPI) is 1720166309, issued by NPPES.
Does Dr. Alireza Mahmoudieh accept Medicare assignment?
Yes. Dr. Alireza Mahmoudieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alireza Mahmoudieh commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.