Doctor profile · Federal record

Dr. Daniel Williams

Family Medicine Physician (CMS: Family Practice) · Libby, MT

  • NPI 1184155442
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 E 2Nd St
Libby, MT 599232010
(406) 283-6919

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
September 21, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #MED-PHYS-LIC-86997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184155442. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
4
Medicare allowed
$1,677
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 51 31 $10
80053 Blood test, comprehensive group of blood chemicals 44 43 $10
80061 Blood test, lipids (cholesterol and triglycerides) 42 38 $13
80305 Testing for presence of drug, read by direct observation 15 15 $12

In context: peer comparison

Among 3 peers in Libby Family Medicine Physician, average services per provider: 49. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,017
Patients
496
Total drug cost
$25,312
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 282 71 $2,893
Lisinopril Generic 221 57 $2,007
Metformin Hcl Generic 173 38 $1,680
Omeprazole Generic 149 41 $2,008
Losartan Potassium Generic 140 36 $1,574
Duloxetine Hcl Generic 134 27 $4,104
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 122 24 $1,480
Amlodipine Besylate Generic 119 31 $661
Furosemide Generic 115 29 $932
Gabapentin Generic 108 26 $3,082

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Williams's medical specialty?
Dr. Daniel Williams practices Family Medicine Physician in Libby, MT.
Where does Dr. Daniel Williams practice?
Dr. Daniel Williams practices at 320 E 2Nd St, Libby, MT 599232010. Office phone: 4062836919.
What is Dr. Daniel Williams's NPI?
Dr. Daniel Williams's National Provider Identifier (NPI) is 1184155442, issued by NPPES.
Does Dr. Daniel Williams accept Medicare assignment?
Yes. Dr. Daniel Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Williams commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.