Doctor profile · Federal record

Dr. Harry Cosmatos, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Los Angeles, CA

  • NPI 1902977978
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4733 W Sunset Blvd
Los Angeles, CA 900276021
(323) 783-4011

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 29, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A65418

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902977978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
1
Medicare allowed
$2,575
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 30 12 $86

In context: peer comparison

Among 26 peers in Los Angeles Radiation Oncology Physician, average services per provider: 83. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$606
Transactions
7
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Teleflex LLC 7 $605.61

By nature of payment

Food and Beverage
$606

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
274
Patients
89
Total drug cost
$4,287
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 220 74 $3,315
Finasteride Generic 24 0 $356
Ciprofloxacin Hcl Generic 17 15 $96
Terazosin Hcl Generic 13 0 $520

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Cosmatos's medical specialty?
Dr. Harry Cosmatos practices Radiation Oncology Physician in Los Angeles, CA.
Where does Dr. Harry Cosmatos practice?
Dr. Harry Cosmatos practices at 4733 W Sunset Blvd, Los Angeles, CA 900276021. Office phone: 3237834011.
What is Dr. Harry Cosmatos's NPI?
Dr. Harry Cosmatos's National Provider Identifier (NPI) is 1902977978, issued by NPPES.
Does Dr. Harry Cosmatos accept Medicare assignment?
Yes. Dr. Harry Cosmatos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Cosmatos 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). Source: CMS Medicare Physician & Other Practitioners file.