Doctor profile · Federal record

Dr. Charles Marler, M.D.

Family Medicine Physician (CMS: Family Practice) · Great Falls, MT

  • NPI 1407847155
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 25Th St S
Great Falls, MT 594055183
(406) 731-8888
fax (406) 731-8888

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 8, 2024
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #11305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407847155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
829
Distinct HCPCS
10
Medicare allowed
$89,849
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 171 101 $97
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 165 152 $181
99213 Established patient office or other outpatient visit, 20-29 minutes 125 78 $65
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 80 57 $74
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 58 46 $107
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 38 38 $130
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 31 26 $153
99315 Nursing facility discharge day management, 30 minutes or less 28 27 $81
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 27 27 $133
99442 Telephone medical discussion with physician, 11-20 minutes 22 15 $66

In context: peer comparison

Among 14 peers in this city , average services per provider: 83. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$457
Transactions
21
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $139.99
Amgen Inc. 4 $70.07
GlaxoSmithKline, LLC. 3 $59.53
Novartis Pharmaceuticals Corporation 3 $52.73
ABBVIE INC. 2 $31.32
Neurocrine Biosciences, Inc. 1 $20.48
Lilly USA, LLC 1 $19.41
Astellas Pharma US Inc 1 $18.85
Bayer Healthcare Pharmaceuticals Inc. 1 $15.43
Merck Sharp & Dohme LLC 1 $14.69
PFIZER INC. 1 $14.43

By nature of payment

Food and Beverage
$457

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,169
Patients
675
Total drug cost
$34,513
Drug Type Claims Patients Total cost
Gabapentin Generic 263 48 $3,089
Metoprolol Succinate Generic 257 40 $2,184
Levothyroxine Sodium Generic 254 68 $2,506
Amlodipine Besylate Generic 245 62 $1,837
Atorvastatin Calcium Generic 245 70 $3,210
Losartan Potassium Generic 243 63 $2,725
Omeprazole Generic 238 32 $2,580
Tamsulosin Hcl Generic 227 38 $2,919
Metformin Hcl Er (Metformin Hcl) Brand 216 34 $1,715
Potassium Chloride Generic 199 38 $2,366

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Marler's medical specialty?
Dr. Charles Marler practices Family Medicine Physician in Great Falls, MT.
Where does Dr. Charles Marler practice?
Dr. Charles Marler practices at 1401 25Th St S, Great Falls, MT 594055183. Office phone: 4067318888.
What is Dr. Charles Marler's NPI?
Dr. Charles Marler's National Provider Identifier (NPI) is 1407847155, issued by NPPES.
Does Dr. Charles Marler accept Medicare assignment?
Yes. Dr. Charles Marler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Marler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.