Maria Gruppen, PSY.D.
NPI 1265860258 · Clinical Psychologist · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Gruppen, PSY.D. is a Clinical Psychologist provider in Grand Rapids, MI (NPI 1265860258).
Provider details
- NPI number
- 1265860258
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6301015704 (MI)
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
12 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
- 2013-10-29
- Last updated
- 2013-10-29
Frequently asked questions
- What is Maria Gruppen's NPI number?
- Maria Gruppen's National Provider Identifier (NPI) is 1265860258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Gruppen's specialty?
- Maria Gruppen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Maria Gruppen located?
- Maria Gruppen's practice location on file with NPPES is 2716 E Paris Ave Se, Grand Rapids, MI 49546-6139.
- What is Maria Gruppen's phone number?
- The practice phone number listed in the NPPES registry for Maria Gruppen is (616) 975-0700.
- Does Maria Gruppen accept Medicare?
- Maria Gruppen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Gruppen's NPI active?
- Yes — Maria Gruppen's NPI (1265860258) is active in the NPPES registry as of the last update on 2013-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.