Doctor profile · Federal record

Dr. Matthew Gryniewski-Peirson, Lp

Clinical Psychologist · New Brighton, MN

  • NPI 1487902482
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1900 Silver Lake RD Nw
New Brighton, MN 551121786
(651) 628-9566
fax (651) 628-0411

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
April 5, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Minnesota #LP6783

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487902482. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
2
Medicare allowed
$25,568
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 169 18 $139
90791 Psychiatric diagnostic evaluation 12 12 $169

In context: peer comparison

Among 2 peers in this city , average services per provider: 118. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Gryniewski-Peirson's medical specialty?
Dr. Matthew Gryniewski-Peirson practices Clinical Psychologist in New Brighton, MN.
Where does Dr. Matthew Gryniewski-Peirson practice?
Dr. Matthew Gryniewski-Peirson practices at 1900 Silver Lake RD Nw, New Brighton, MN 551121786. Office phone: 6516289566.
What is Dr. Matthew Gryniewski-Peirson's NPI?
Dr. Matthew Gryniewski-Peirson's National Provider Identifier (NPI) is 1487902482, issued by NPPES.
Does Dr. Matthew Gryniewski-Peirson accept Medicare assignment?
Yes. Dr. Matthew Gryniewski-Peirson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Gryniewski-Peirson commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.