Doctor profile · Federal record

Dr. Maren Dunn, DO

Family Medicine Physician (CMS: Family Practice) · Big Sky, MT

  • NPI 1376538512
  • Accepts Medicare
  • MIPS 69.1 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
334 Town Center Ave
Big Sky, MT 597161713
(406) 995-6995
Mailing address
915 Highland Blvd
Bozeman, MT 597156902

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
July 9, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #11561
Medicaid (2)
ID #807252900 · MT #1376538512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376538512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
780
Distinct HCPCS
10
Medicare allowed
$73,281
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 219 127 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 185 129 $91
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 71 13 $63
G0008 Administration of influenza virus vaccine 66 66 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 64 64 $75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 62 62 $130
90480 Admn sarscov2 vacc 1 dose 31 31 $37
91322 Sarscov2 vac 50 mcg/0.5ml im 31 31 $143
99212 Established patient office or other outpatient visit, 10-19 minutes 26 23 $57
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 13 13 $167

In context: peer comparison

Among 1 peers in this city , average services per provider: 70. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
967
Patients
244
Total drug cost
$48,801
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 197 68 $2,669
Levothyroxine Sodium Generic 126 35 $1,934
Losartan Potassium Generic 94 30 $1,728
Lisinopril Generic 79 30 $822
Amlodipine Besylate Generic 77 25 $839
Gabapentin Generic 66 13 $862
Trazodone Hcl Generic 48 0 $297
Rosuvastatin Calcium Generic 47 14 $808
Hydrochlorothiazide Generic 40 17 $227
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 37 0 $488

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maren Dunn's medical specialty?
Dr. Maren Dunn practices Family Medicine Physician in Big Sky, MT.
Where does Dr. Maren Dunn practice?
Dr. Maren Dunn practices at 334 Town Center Ave, Big Sky, MT 597161713. Office phone: 4069956995.
What is Dr. Maren Dunn's NPI?
Dr. Maren Dunn's National Provider Identifier (NPI) is 1376538512, issued by NPPES.
Does Dr. Maren Dunn accept Medicare assignment?
Yes. Dr. Maren Dunn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maren Dunn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.