Doctor profile · Federal record

Dr. Gary Walker, M.D., M.P.H., M.S.

Radiation Oncology Physician (CMS: Radiation Oncology) · Gilbert, AZ

  • NPI 1154667467
  • Accepts Medicare
  • MIPS 88.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2946 E Banner Gateway Dr
Gilbert, AZ 852342165
(480) 256-4500

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
January 28, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Texas #P3482

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154667467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,170
Distinct HCPCS
10
Medicare allowed
$94,260
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 497 104 $44
77427 Radiation treatment management, 5 treatment sessions 120 44 $188
77334 Design and construction of complex radiation treatment device 114 59 $59
77300 Calculation of radiation therapy dose 94 33 $32
99212 Established patient office or other outpatient visit, 10-19 minutes 71 52 $27
77263 Complex radiation therapy planning 48 44 $166
99213 Established patient office or other outpatient visit, 20-29 minutes 28 24 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 28 28 $95
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 26 24 $81
77301 High precision radiation therapy planning 26 24 $414

In context: peer comparison

Among 2 peers in Gilbert Radiation Oncology Physician, average services per provider: 77. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$303
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Siemens Medical Solutions USA, INC. 3 $260.18
Jazz Pharmaceuticals INC. 1 $24.56
Incyte Corporation 1 $18.66

By nature of payment

Travel and Lodging
$178
Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$630
Drug Type Claims Patients Total cost
Gabapentin Generic 11 0 $630

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Walker's medical specialty?
Dr. Gary Walker practices Radiation Oncology Physician in Gilbert, AZ.
Where does Dr. Gary Walker practice?
Dr. Gary Walker practices at 2946 E Banner Gateway Dr, Gilbert, AZ 852342165. Office phone: 4802564500.
What is Dr. Gary Walker's NPI?
Dr. Gary Walker's National Provider Identifier (NPI) is 1154667467, issued by NPPES.
Does Dr. Gary Walker accept Medicare assignment?
Yes. Dr. Gary Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Walker commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.