Doctor profile · Federal record

Dr. John Clair, DO

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Hospitalist Physician · Hospitalist Physician · Williston, ND

  • NPI 1427232354
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1301 15Th Ave W
Williston, ND 588013821
(701) 774-7400
Additional location
6857 W Charleston Blvd
Las Vegas, NV 891171600
(702) 304-2144
fax (702) 304-2147

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
North Dakota #13540 · Nevada #DO1452
Medicaid
ND #1463371

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427232354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
694
Distinct HCPCS
7
Medicare allowed
$68,729
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 205 105 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 124 93 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 100 55 $114
99239 Hospital discharge day management, more than 30 minutes 99 93 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 76 73 $167
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 47 $124
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 42 16 $47

In context: peer comparison

Among 3 peers in this city , average services per provider: 729. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
0
Total drug cost
$10,837
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 20 0 $255
Celecoxib Generic 17 0 $492
Furosemide Generic 15 0 $70
Allopurinol Generic 13 0 $127
Amlodipine Besylate Generic 13 0 $110
Prednisone Generic 13 0 $78
Breo Ellipta (Fluticasone/Vilanterol) Brand 12 0 $5,127
Eliquis (Apixaban) Brand 12 0 $3,836
Ventolin Hfa (Albuterol Sulfate) Brand 12 0 $742

Frequently asked questions

Auto-generated from federal data
What is Dr. John Clair's medical specialty?
Dr. John Clair practices Internal Medicine Physician in Williston, ND.
Where does Dr. John Clair practice?
Dr. John Clair practices at 1301 15Th Ave W, Williston, ND 588013821. Office phone: 7017747400.
What is Dr. John Clair's NPI?
Dr. John Clair's National Provider Identifier (NPI) is 1427232354, issued by NPPES.
Does Dr. John Clair accept Medicare assignment?
Yes. Dr. John Clair accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Clair commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.