Doctor profile · Federal record

Dr. Ryan Nahapetian, MD, MPH

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Sleep Medicine (Internal Medicine) Physician · Missoula, MT

  • NPI 1720384209
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 N Orange St Ste 106
Missoula, MT 598022951
(406) 327-3100
fax (406) 327-3141
Mailing address
Po Box 12
Liberty Lake, WA 990190012

Credentials & registration

NPPES · NUCC
NPI registered
February 2011 — 15 yrs on file
Profile last updated
June 1, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Montana #53892

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720384209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,698
Distinct HCPCS
10
Medicare allowed
$103,166
HCPCS Description Services Patients Avg allowed
94729 Test to examine how well the lungs exchange gases 302 292 $9
94726 Test to determine lung volumes using sensors 281 272 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 237 208 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 176 157 $91
94010 Test to measure expiratory airflow and volume 170 163 $8
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 162 155 $122
94060 Test to measure expiratory airflow and volume changes before and after medication administration 144 143 $10
99204 New patient office or other outpatient visit, 45-59 minutes 76 76 $168
95810 Sleep study in sleep lab (6 years or older) 54 53 $118
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 48 47 $44

In context: peer comparison

Among 2 peers in this city , average services per provider: 120. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$720
Transactions
28
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, Inc. 3 $184.85
GlaxoSmithKline, LLC. 10 $160.45
AstraZeneca Pharmaceuticals LP 3 $153.61
HARMONY BIOSCIENCES LLC 4 $78.45
Mallinckrodt Hospital Products Inc. 2 $38.41
Merck Sharp & Dohme LLC 2 $36.19
Regeneron Healthcare Solutions, Inc. 1 $20.02
JAZZ PHARMACEUTICALS INC. 1 $18.23
Avadel CNS Pharmaceuticals, LLC 1 $15.06
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $14.36

By nature of payment

Food and Beverage
$720

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,363
Patients
318
Total drug cost
$1,621,383
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 214 46 $178,053
Symbicort (Budesonide/Formoterol Fumarate) Brand 149 33 $79,417
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 148 54 $4,848
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 124 31 $103,633
Prednisone Generic 123 38 $925
Ventolin Hfa (Albuterol Sulfate) Brand 104 30 $8,741
Breo Ellipta (Fluticasone/Vilanterol) Brand 90 12 $45,302
Ofev (Nintedanib Esylate) Brand 78 11 $1,051,245
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 58 12 $36,701
Spiriva Respimat (Tiotropium Bromide) Brand 55 14 $33,674

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Nahapetian's medical specialty?
Dr. Ryan Nahapetian practices Pulmonary Disease Physician in Missoula, MT.
Where does Dr. Ryan Nahapetian practice?
Dr. Ryan Nahapetian practices at 900 N Orange St Ste 106, Missoula, MT 598022951. Office phone: 4063273100.
What is Dr. Ryan Nahapetian's NPI?
Dr. Ryan Nahapetian's National Provider Identifier (NPI) is 1720384209, issued by NPPES.
Does Dr. Ryan Nahapetian accept Medicare assignment?
Yes. Dr. Ryan Nahapetian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Nahapetian commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using sensors (HCPCS 94726); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.