Dr. John J Siefke Psychological Services PLLC
NPI 1902620115 · Clinical Psychologist · Bozeman, MT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. John J Siefke Psychological Services PLLC is a Clinical Psychologist organization in Bozeman, MT (NPI 1902620115).
Provider details
- NPI number
- 1902620115
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- John Siefke, Psychologist(406) 295-6899
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-11-13
- Last updated
- 2024-11-13
- Certified
- 2024-11-13
Frequently asked questions
- What is Dr. John J Siefke Psychological Services PLLC's NPI number?
- Dr. John J Siefke Psychological Services PLLC's National Provider Identifier (NPI) is 1902620115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. John J Siefke Psychological Services PLLC?
- Dr. John J Siefke Psychological Services PLLC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Dr. John J Siefke Psychological Services PLLC located?
- Dr. John J Siefke Psychological Services PLLC's practice location on file with NPPES is 1902 W Dickerson St Ste 208, Bozeman, MT 59718-6852.
- What is Dr. John J Siefke Psychological Services PLLC's phone number?
- The practice phone number listed in the NPPES registry for Dr. John J Siefke Psychological Services PLLC is (406) 295-6899.
- Does Dr. John J Siefke Psychological Services PLLC accept Medicare?
- Dr. John J Siefke Psychological Services PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr. John J Siefke Psychological Services PLLC?
- The authorized official listed on Dr. John J Siefke Psychological Services PLLC's NPPES record is John Siefke, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. John J Siefke Psychological Services PLLC's NPI active?
- Yes — Dr. John J Siefke Psychological Services PLLC's NPI (1902620115) is active in the NPPES registry as of the last update on 2024-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.