Doctor profile · Federal record

Dr. Grant Gillish, D.D.S.

General Practice Dentistry · Whitehall, MI

  • NPI 1659681591
  • 16 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
116 W Colby St, Suite 1
Whitehall, MI 494611083
(231) 893-2915
fax (231) 893-4719

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Michigan #2901020310

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659681591. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$82
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 3 $64.64
Henry Schein, INC. 1 $16.95

By nature of payment

Food and Beverage
$82

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
53
Total drug cost
$259
Drug Type Claims Patients Total cost
Amoxicillin Generic 54 42 $148
Clindamycin Hcl Generic 13 11 $111

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Gillish's medical specialty?
Dr. Grant Gillish practices General Practice Dentistry in Whitehall, MI.
Where does Dr. Grant Gillish practice?
Dr. Grant Gillish practices at 116 W Colby St, Whitehall, MI 494611083. Office phone: 2318932915.
What is Dr. Grant Gillish's NPI?
Dr. Grant Gillish's National Provider Identifier (NPI) is 1659681591, issued by NPPES.