Grace E Duininck, MD

Primary specialty

Gynecologic Oncology PhysicianTaxonomy code 207VX0201X

License

33939 Issued in OK

Practice address

800 NE 10TH St Ste 3010
Oklahoma City, OK 73104-5418

Phone

(405) 271-8778

Fax

(405) 271-2724

NPI assigned

May 24, 2018

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in OK

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

Emory University School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Ou Health Partners IncGroup PAC ID 5991105876, 1,167 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• O U Medical Center Hospital, Oklahoma City, OK, CCN 370093

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Ou Health Partners, Inc

  • Multi-Specialty Clinic/Center
  • Oklahoma City, OK
  • NPI 1528642642
  Medicare reassignment Care Compare group NPD
• Ou Health Partners, Inc

  • Prosthetic/Orthotic Supplier
  • Oklahoma City, OK
  • NPI 1447834460
  NPD
• Jackson County Memorial Hospital Authority

  • General Acute Care Hospital
  • Altus, OK
  • NPI 1093763781
  NPD (past)
• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Ou Medicine Inc.

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1649794157
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1527120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1205327368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 NE 10TH ST STE 3010",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045418",
            "telephone_number": "405-271-8778",
            "fax_number": "405-271-2724"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 NE 10TH ST STE 3010",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045418",
            "telephone_number": "405-271-8778",
            "fax_number": "405-271-2724"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUININCK",
        "first_name": "GRACE",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-24",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "OK",
            "license": "33939",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sean Duguay, MD
• Dwayne D Duhaney, M.D
• Maricia Debra Duhart
• Marva Duhart
• Lisa Dawn Duhon, MD
• Alison Duke, DO
• Averi Michelle Duke
• Christina Elaine Duke, PA-C
• Dayna S Duke, D.D.S.
• Faith Caroline Duke, SLP

• Gynecologic Oncology Physician in Oklahoma City, OK
• Providers in Oklahoma City, OK by specialty
• Gynecologic Oncology Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.