NPPES file of Aug 9, 2026

John Joseph Siefke, PH.D.

Clinical Psychologist · Bozeman, MT

John Joseph Siefke, PH.D. is a clinical psychologist with a practice address in Bozeman, Montana, and NPI 1548901853, issued on Apr 2, 2022. Check the license (Montana PSY-PSY-LIC-2508, 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
1548901853
Name
John Joseph Siefke
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY-PSY-LIC-2508 MT
Self-reported in NPPES; status is on the state search
Practice location
1902 W Dickerson St Ste 208, Bozeman, MT 59718
Phone
(406) 295-6899
Enumerated
Apr 2, 2022
Record last updated
May 31, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1902 W Dickerson St Ste 208

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Magdalena Gorzynska-DurhamProfessional Counselor1528304128
  2. Andrew Kemp, MSWMental Health Counselor1235804667
  3. Sarah Martinez, LCPCCounselor1396355012
  4. Jennifer Millner, LCPC, NCCMental Health Counselor1275941940
  5. Tony Silva, LCPCProfessional Counselor1275053001

Verify John Joseph Siefke 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 PSY-PSY-LIC-2508
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

John Joseph Siefke among 171 clinical psychologist records in Montana

John Joseph Siefke, PH.D. is one of 171 clinical psychologist records with a practice address in Montana. 12% 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 2022, is newer than 90% of them.

  • NPI issued2022 · 90% of these records are older, 6% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 clinical psychologist records list a practice address in Bozeman

They are 33 of the 2,433 NPPES records with a practice address in Bozeman, and 171 clinical psychologist records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Mika Awanohara, PSY.D.Bozeman, MT 597181679870505
  2. Conrad Burbank, PSYDBozeman, MT 597181023762622
  3. Kathryn Darnell, PSY.D.Bozeman, MT 597181407214968
  4. Marshal George, PSYDBozeman, MT 597181508413840
  5. Kaylie Green, PHDBozeman, MT 597181295224152
  6. Kenneth Larsen, DMIN, PHD, ABMPBozeman, MT 597181053343707
  7. Megan Monroe, PSYDBozeman, MT 597181699525766
  8. Alexa Ralicki, PSYDBozeman, MT 597181043857733

Common questions

What is John Joseph Siefke, PH.D.'s NPI number?

John Joseph Siefke, PH.D.'s National Provider Identifier (NPI) is 1548901853, issued on Apr 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is John Joseph Siefke, PH.D. located?

The NPPES record lists a practice address at 1902 W Dickerson St Ste 208, Bozeman, MT, 59718. Phone: (406) 295-6899. Providers update this record themselves, so call before visiting.

How can I verify John Joseph Siefke, PH.D.'s license?

NPPES lists Montana license number PSY-PSY-LIC-2508, 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.

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.