Doctor profile · Federal record

Dr. Marc Farnworth, MD

Family Medicine Physician (CMS: Family Practice) · Twin Falls, ID

  • NPI 1124288758
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo 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
Mailing address
190 E Bannock St
Boise, ID 837126241

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
June 4, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Idaho #M-10859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124288758. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
809
Distinct HCPCS
6
Medicare allowed
$69,257
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 496 195 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 93 91 $123
99239 Hospital discharge day management, more than 30 minutes 92 89 $108
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 50 22 $47
99238 Hospital discharge day management, 30 minutes or less 50 48 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $164

In context: peer comparison

Among 19 peers in Twin Falls Family Medicine Physician, average services per provider: 72. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
18
Total drug cost
$634
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 22 0 $364
Cefdinir Generic 18 18 $270

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Farnworth's medical specialty?
Dr. Marc Farnworth practices Family Medicine Physician in Twin Falls, ID.
Where does Dr. Marc Farnworth practice?
Dr. Marc Farnworth practices at 801 Pole Line RD W, Twin Falls, ID 833015810. Office phone: 2088144100.
What is Dr. Marc Farnworth's NPI?
Dr. Marc Farnworth's National Provider Identifier (NPI) is 1124288758, issued by NPPES.
Does Dr. Marc Farnworth accept Medicare assignment?
Yes. Dr. Marc Farnworth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Farnworth commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.