Doctor profile · Federal record

Dr. Thomas Duff, DO

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Twin Falls, ID

  • NPI 1326302449
  • Accepts Medicare
  • MIPS 78.9 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Pole Line RD W
Twin Falls, ID 833015810
(208) 814-4100
fax (208) 814-4908

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
May 6, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Idaho #O-0876

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326302449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
396
Distinct HCPCS
5
Medicare allowed
$51,457
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 220 210 $163
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 93 45 $75
99239 Hospital discharge day management, more than 30 minutes 43 42 $108
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 20 $113
99238 Hospital discharge day management, 30 minutes or less 12 12 $76

In context: peer comparison

Among 4 peers in Twin Falls Hospitalist Physician, average services per provider: 124. This provider delivers 3.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
28
Total drug cost
$298
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $90
Cefuroxime (Cefuroxime Axetil) Brand 13 13 $209

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Duff's medical specialty?
Dr. Thomas Duff practices Hospitalist Physician in Twin Falls, ID.
Where does Dr. Thomas Duff practice?
Dr. Thomas Duff practices at 801 Pole Line RD W, Twin Falls, ID 833015810. Office phone: 2088144100.
What is Dr. Thomas Duff's NPI?
Dr. Thomas Duff's National Provider Identifier (NPI) is 1326302449, issued by NPPES.
Does Dr. Thomas Duff accept Medicare assignment?
Yes. Dr. Thomas Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Duff commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.