NPPES file of Aug 9, 2026

Gregory F. Griffeth, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Bozeman, MT

Gregory F. Griffeth, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Bozeman, Montana, and NPI 1366253221, issued on Jan 18, 2025. Check the license (Montana NUR-APRN-LIC-268394, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1366253221
Name
Gregory F. Griffeth
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
NUR-APRN-LIC-268394 MT
Self-reported in NPPES; status is on the state search
Practice location
131 Whiskey Way Unit C, Bozeman, MT 59718
Phone
(406) 540-7235
Enumerated
Jan 18, 2025
Record last updated
Mar 26, 2026
Fax
(406) 797-1597
Medicare enrollment
Enrolled (PECOS I20260526002668); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 243 in Montana → Look up another NPI →

Verify Gregory F. Griffeth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license NUR-APRN-LIC-268394    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Montana license search

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Gregory F. Griffeth among 243 psychiatric/mental health nurse practitioner records in Montana

Gregory F. Griffeth, PMHNP-BC is one of 243 psychiatric/mental health nurse practitioner records with a practice address in Montana. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 86% of them.

  • NPI issued2025 · 86% of these records are older, 6% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2020 among the 138 with a school on file
  • Record last updated2026 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Montana

There are 243 psychiatric/mental health nurse practitioner records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 243 in Montana → Every provider in Bozeman → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Julia Bonn, DNP, PMHNP-BCBozeman, MT 597181417847385
  2. Susanna Darr, APRNBozeman, MT 597181245284363
  3. Brittany Davidson, DNP, APRN, PMHNP-BCBozeman, MT 597181063244390
  4. Nicole Faessel, APRNBozeman, MT 597181437728037
  5. Ali Gearhart, PMH NP-BCBozeman, MT 597181821670142
  6. Rebecca Pogoda, APRNBozeman, MT 597181386981678
  7. Jessica Rivera, APRNBozeman, MT 597181013796614
  8. Mark Ackerman, RN, APNBozeman, MT 597151679833016

Common questions

What is Gregory F. Griffeth, PMHNP-BC's NPI number?

Gregory F. Griffeth, PMHNP-BC's National Provider Identifier (NPI) is 1366253221, issued on Jan 18, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Gregory F. Griffeth, PMHNP-BC located?

The NPPES record lists a practice address at 131 Whiskey Way Unit C, Bozeman, MT, 59718. Phone: (406) 540-7235. Providers update this record themselves, so call before visiting.

How can I verify Gregory F. Griffeth, PMHNP-BC's license?

NPPES lists Montana license number NUR-APRN-LIC-268394, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.