Doctor profile · Federal record

Dr. John Tremper, M.D.

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

  • NPI 1487663423
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1035 1St Ave West, Flathead Community Health Center
Kalispell, MT 599015607
(406) 751-8155
fax (406) 751-8151
Additional location
1287 Burns Way
Kalispell, MT 599013109
(406) 752-8120
fax (406) 752-8134
Mailing address
1035 1St Ave. West, Flathead Community Health Center
Kalispell, MT 599015607

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 11, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #7825

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487663423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$143
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 15 12 $10

In context: peer comparison

Among 17 peers in Kalispell Family Medicine Physician, average services per provider: 110. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,495
Patients
339
Total drug cost
$16,006
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 147 40 $1,305
Losartan Potassium Generic 140 39 $1,769
Tramadol Hcl Generic 119 22 $1,035
Pregabalin Generic 110 14 $1,134
Omeprazole Generic 108 28 $1,086
Levothyroxine Sodium Generic 105 26 $865
Gabapentin Generic 98 20 $1,420
Oxycodone Hcl Generic 89 0 $1,064
Amlodipine Besylate Generic 88 23 $477
Hydrochlorothiazide Generic 87 27 $447

Frequently asked questions

Auto-generated from federal data
What is Dr. John Tremper's medical specialty?
Dr. John Tremper practices Family Medicine Physician in Kalispell, MT.
Where does Dr. John Tremper practice?
Dr. John Tremper practices at 1035 1St Ave West, Kalispell, MT 599015607. Office phone: 4067518155.
What is Dr. John Tremper's NPI?
Dr. John Tremper's National Provider Identifier (NPI) is 1487663423, issued by NPPES.
Does Dr. John Tremper accept Medicare assignment?
Yes. Dr. John Tremper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tremper commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.