Doctor profile · Federal record

Dr. Naomi Routen

Physician Assistant · Physician Assistant · Billings, MT

  • NPI 1902293822
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
820 Division St
Billings, MT 591012049
(406) 294-5225

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
March 12, 2017
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Montana #42910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902293822. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
2
Medicare allowed
$17,139
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 132 38 $104
90833 Psychotherapy with evaluation and management visit, 30 minutes 60 24 $58

In context: peer comparison

Among 47 peers in Billings Physician Assistant, average services per provider: 109. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
799
Patients
49
Total drug cost
$22,281
Drug Type Claims Patients Total cost
Clonazepam Generic 115 19 $882
Trazodone Hcl Generic 74 17 $1,501
Aripiprazole Generic 70 13 $10,198
Buspirone Hcl Generic 63 0 $1,849
Lamotrigine Generic 58 0 $848
Quetiapine Fumarate Generic 55 0 $687
Lorazepam Generic 48 0 $373
Diazepam Generic 44 0 $415
Escitalopram Oxalate Generic 44 0 $150
Fluoxetine Hcl Generic 43 0 $551

Frequently asked questions

Auto-generated from federal data
What is Dr. Naomi Routen's medical specialty?
Dr. Naomi Routen practices Physician Assistant in Billings, MT.
Where does Dr. Naomi Routen practice?
Dr. Naomi Routen practices at 820 Division St, Billings, MT 591012049. Office phone: 4062945225.
What is Dr. Naomi Routen's NPI?
Dr. Naomi Routen's National Provider Identifier (NPI) is 1902293822, issued by NPPES.
Does Dr. Naomi Routen accept Medicare assignment?
Yes. Dr. Naomi Routen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Naomi Routen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.