Doctor profile · Federal record

Dr. Hiram Gay, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Saint Louis, MO

  • NPI 1720045297
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Dept Radiation Oncology, Ll
Saint Louis, MO 631101032
(314) 747-7236
fax (314) 362-8099
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Missouri #2009005440
Medicaid
MO #206421703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720045297. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,073
Distinct HCPCS
10
Medicare allowed
$190,900
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 637 66 $45
77014 Ct guidance for insertion of radiation therapy fields 377 25 $45
77300 Calculation of radiation therapy dose 173 42 $33
77427 Radiation treatment management, 5 treatment sessions 125 44 $190
77427 Radiation treatment management, 5 treatment sessions 106 38 $190
77334 Design and construction of complex radiation treatment device 79 57 $60
77300 Calculation of radiation therapy dose 65 18 $33
77263 Complex radiation therapy planning 46 43 $167
79101 Radioactive drug therapy through a vein 46 25 $92
77334 Design and construction of complex radiation treatment device 39 24 $60

In context: peer comparison

Among 21 peers in Saint Louis Radiation Oncology Physician, average services per provider: 80. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,056
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 5 $4,634.90
Novartis Pharmaceuticals Corporation 2 $2,108.00
Bioprotect Medical, INC. 2 $214.45
Teleflex LLC 1 $98.40

By nature of payment

Consulting Fee
$6,300
Food and Beverage
$756

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
229
Patients
157
Total drug cost
$3,872
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 66 49 $642
Ciprofloxacin Hcl Generic 45 38 $216
Bicalutamide Generic 35 35 $900
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 35 19 $864
Oxycodone Hcl Generic 30 16 $1,035
Ondansetron Hcl Generic 18 0 $215

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hiram Gay's medical specialty?
Dr. Hiram Gay practices Radiation Oncology Physician in Saint Louis, MO.
Where does Dr. Hiram Gay practice?
Dr. Hiram Gay practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3147477236.
What is Dr. Hiram Gay's NPI?
Dr. Hiram Gay's National Provider Identifier (NPI) is 1720045297, issued by NPPES.
Does Dr. Hiram Gay accept Medicare assignment?
Yes. Dr. Hiram Gay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hiram Gay commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.