Matthew Gryniewski-Peirson, LP
NPI 1487902482 · Clinical Psychologist · New Brighton, MN
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Gryniewski-Peirson, LP is a Clinical Psychologist provider in New Brighton, MN (NPI 1487902482).
Provider details
- NPI number
- 1487902482
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- LP
- Sex
- Male
- Sole proprietor
- No
- License
- LP6783 (MN)
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
13 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
- 2012-08-22
- Last updated
- 2022-04-05
- Certified
- 2022-04-05
Frequently asked questions
- What is Matthew Gryniewski-Peirson's NPI number?
- Matthew Gryniewski-Peirson's National Provider Identifier (NPI) is 1487902482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Gryniewski-Peirson's specialty?
- Matthew Gryniewski-Peirson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Gryniewski-Peirson located?
- Matthew Gryniewski-Peirson's practice location on file with NPPES is 1900 Silver Lake Rd Nw, New Brighton, MN 55112-1786.
- What is Matthew Gryniewski-Peirson's phone number?
- The practice phone number listed in the NPPES registry for Matthew Gryniewski-Peirson is (651) 628-9566.
- Does Matthew Gryniewski-Peirson accept Medicare?
- Matthew Gryniewski-Peirson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Gryniewski-Peirson's NPI active?
- Yes — Matthew Gryniewski-Peirson's NPI (1487902482) is active in the NPPES registry as of the last update on 2022-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.