NPPES file of Aug 9, 2026

Frontier Psychiatry, PLLC in Billings, MT

This organization bills under NPI 1508493156, an organization record issued on Mar 24, 2020 with the primary taxonomy Psychiatry Physician. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1508493156
Legal name
Frontier Psychiatry, PLLC
Entity
Type 2 · organization
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
1601 LEWIS AVE STE 102, Billings, MT 59102
Phone
406-284-8814
Enumerated
Mar 24, 2020
Record updated
Mar 29, 2024
Authorized official
Coo (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

12 clinicians CMS lists with Frontier Psychiatry in Billings

  1. Eric Arzubi, MDPsychiatry Physician1770738353
  2. Jacob BaileyPhysician Assistant1659012508
  3. Joshua Balint, PAPhysician Assistant1063108231
  4. Jonathan Brigham, MDGeriatric Psychiatry Physician1033586730
  5. Shayna Chupein, LCSWClinical Social Worker1497308571
  6. Amelia Durling, MDPsychiatry Physician1790138121
  7. Michael Fallon, PMHNPPsychiatric/Mental Health Nurse Practitioner1184325524
  8. Nadia Merali, PAPhysician Assistant1598434789
  9. Naomi RoutenPhysician Assistant1902293822
  10. Taylor Steiner, LCSWClinical Social Worker1275370140
  11. Marilyn ThornClinical Social Worker1720708985
  12. Shelbi Wolff, LAC, LCPCMental Health Counselor1174131304

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Montana secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.