Doctor profile · Federal record

Dr. Matthew Stack, PA C

Physician Assistant · Psychologist · Medical Physician Assistant · Physician Assistant · Ithaca, MI

  • NPI 1033108667
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
121 N Pine River St
Ithaca, MI 488471039
(989) 287-0662
Additional location
1040 W Bristol RD
Flint, MI 485075516
(810) 257-3705
fax (989) 629-8145

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
February 5, 2026
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (3)
Michigan #5601003961 · Michigan #6301007939 · Arizona #2782
Medicaid
AZ #762246

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033108667. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 1 $23.04
Janssen Pharmaceuticals, INC 1 $17.25

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
0
Total drug cost
$2,505
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 28 0 $336
Duloxetine Hcl Generic 24 0 $371
Nortriptyline Hcl Generic 18 0 $576
Aripiprazole Generic 16 0 $890
Trazodone Hcl Generic 12 0 $114
Gabapentin Generic 11 0 $219

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Stack's medical specialty?
Dr. Matthew Stack practices Physician Assistant in Ithaca, MI.
Where does Dr. Matthew Stack practice?
Dr. Matthew Stack practices at 121 N Pine River St, Ithaca, MI 488471039. Office phone: 9892870662.
What is Dr. Matthew Stack's NPI?
Dr. Matthew Stack's National Provider Identifier (NPI) is 1033108667, issued by NPPES.
Does Dr. Matthew Stack accept Medicare assignment?
Yes. Dr. Matthew Stack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.