Doctor profile · Federal record

Dr. Ralph Oppermann, D.D.S.

General Practice Dentistry · Grayling, MI

  • NPI 1548238074
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
234 E Michigan Ave
Grayling, MI 497381749
(989) 344-2525
fax (989) 348-9629

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Michigan #2901017200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548238074. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 1 $15.36

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
67
Total drug cost
$449
Drug Type Claims Patients Total cost
Amoxicillin Generic 64 55 $341
Clindamycin Hcl Generic 15 12 $108

Frequently asked questions

Auto-generated from federal data
What is Dr. Ralph Oppermann's medical specialty?
Dr. Ralph Oppermann practices General Practice Dentistry in Grayling, MI.
Where does Dr. Ralph Oppermann practice?
Dr. Ralph Oppermann practices at 234 E Michigan Ave, Grayling, MI 497381749. Office phone: 9893442525.
What is Dr. Ralph Oppermann's NPI?
Dr. Ralph Oppermann's National Provider Identifier (NPI) is 1548238074, issued by NPPES.