GRACE E DUININCK MD
NPI 1205327368
Obstetrics & Gynecology - Gynecologic Oncology in Oklahoma City, OK
About Grace E Duininck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE E DUININCK MD (NPI 1205327368) is an individual gynecologic oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (33939) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and is a graduate of Emory University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Grace E Duininck Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
O U Medical Center
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73104
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Grace Duininck's NPI number?
The NPI number for Grace Duininck is 1205327368. It was assigned to this individual provider in the NPPES registry on May 24, 2018.
Where is Grace Duininck located?
Grace Duininck practices at 800 NE 10th St Ste 3010, Oklahoma City, OK 73104. The listed phone number is (405) 271-8778.
What is Grace Duininck's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Grace Duininck enrolled in Medicare?
Yes. Grace Duininck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Grace Duininck accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Grace Duininck as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Grace Duininck affiliated with any hospitals?
According to CMS data, Grace Duininck is affiliated with O U Medical Center.
When was this NPI record last updated?
The NPPES record for Grace Duininck was last updated on December 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.