Doctor profile · Federal record

Dr. Wallace Walker, MD

Family Medicine Physician (CMS: Family Practice) · Big Timber, MT

  • NPI 1740279389
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
225 Big Timber Loop RD
Big Timber, MT 590117646
(406) 932-7100
fax (406) 932-7102
Mailing address
Po Box 1267
Big Timber, MT 590111267

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 6, 2024
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #6045

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740279389. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $21.15

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,952
Patients
428
Total drug cost
$97,223
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 241 53 $3,457
Simvastatin Generic 213 52 $1,751
Lisinopril Generic 181 49 $1,398
Tamsulosin Hcl Generic 151 38 $2,553
Furosemide Generic 135 29 $900
Eliquis (Apixaban) Brand 133 13 $74,688
Atorvastatin Calcium Generic 119 30 $1,103
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 110 21 $1,509
Potassium Chloride Generic 106 20 $2,896
Metoprolol Tartrate Generic 99 15 $591

Frequently asked questions

Auto-generated from federal data
What is Dr. Wallace Walker's medical specialty?
Dr. Wallace Walker practices Family Medicine Physician in Big Timber, MT.
Where does Dr. Wallace Walker practice?
Dr. Wallace Walker practices at 225 Big Timber Loop RD, Big Timber, MT 590117646. Office phone: 4069327100.
What is Dr. Wallace Walker's NPI?
Dr. Wallace Walker's National Provider Identifier (NPI) is 1740279389, issued by NPPES.
Does Dr. Wallace Walker accept Medicare assignment?
Yes. Dr. Wallace Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.