Gruppen Psychology Services LLC
NPI 1710673348 · Clinical Psychologist · Grand Rapids, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gruppen Psychology Services LLC is a Clinical Psychologist organization in Grand Rapids, MI (NPI 1710673348).
Provider details
- NPI number
- 1710673348
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Timothy Gruppen, Owner(734) 649-7906
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
3 yrs 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
- 2023-04-17
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Gruppen Psychology Services LLC's NPI number?
- Gruppen Psychology Services LLC's National Provider Identifier (NPI) is 1710673348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gruppen Psychology Services LLC?
- Gruppen Psychology Services LLC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gruppen Psychology Services LLC located?
- Gruppen Psychology Services LLC's practice location on file with NPPES is 655 Kenmoor Ave Se # 303, Grand Rapids, MI 49546-8622.
- What is Gruppen Psychology Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Gruppen Psychology Services LLC is (734) 649-7906.
- Does Gruppen Psychology Services LLC accept Medicare?
- Gruppen Psychology Services LLC 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 Gruppen Psychology Services LLC?
- The authorized official listed on Gruppen Psychology Services LLC's NPPES record is Timothy Gruppen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gruppen Psychology Services LLC's NPI active?
- Yes — Gruppen Psychology Services LLC's NPI (1710673348) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.