Doctor profile · Federal record

Dr. Grace Duininck, MD

Gynecologic Oncology Physician (CMS: Obstetrics/Gynecology) · Oklahoma City, OK

  • NPI 1205327368
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Ne 10Th St Ste 3010
Oklahoma City, OK 731045418
(405) 271-8778
fax (405) 271-2724

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
December 16, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Oklahoma #33939

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205327368. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $42.66
AstraZeneca Pharmaceuticals Lp 1 $20.03
Myriad Genetic Laboratories, INC. 1 $14.14

By nature of payment

Food and Beverage
$77

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
18
Total drug cost
$242
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 23 18 $242

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Duininck's medical specialty?
Dr. Grace Duininck practices Gynecologic Oncology Physician in Oklahoma City, OK.
Where does Dr. Grace Duininck practice?
Dr. Grace Duininck practices at 800 Ne 10Th St Ste 3010, Oklahoma City, OK 731045418. Office phone: 4052718778.
What is Dr. Grace Duininck's NPI?
Dr. Grace Duininck's National Provider Identifier (NPI) is 1205327368, issued by NPPES.
Does Dr. Grace Duininck accept Medicare assignment?
Yes. Dr. Grace Duininck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.