Doctor profile · Federal record

Dr. Cynthia Grinstead, DMD

Dentist · Dentist · Oak Ridge, TN

  • NPI 1013137470
  • 19 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
351 S Illinois Ave
Oak Ridge, TN 378306741
(865) 272-2806

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
May 30, 2023
Specialty taxonomy
122300000X — NUCC code
State licenses (2)
Tennessee #12019 · Florida #DN13801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013137470. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$237
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Align Technology, Inc. 3 $237.31

By nature of payment

Consulting Fee
$225
Food and Beverage
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
63
Total drug cost
$535
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 46 36 $412
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 16 $75
Ibuprofen Generic 12 11 $48

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Grinstead's medical specialty?
Dr. Cynthia Grinstead practices Dentist in Oak Ridge, TN.
Where does Dr. Cynthia Grinstead practice?
Dr. Cynthia Grinstead practices at 351 S Illinois Ave, Oak Ridge, TN 378306741. Office phone: 8652722806.
What is Dr. Cynthia Grinstead's NPI?
Dr. Cynthia Grinstead's National Provider Identifier (NPI) is 1013137470, issued by NPPES.