Individual provider Active NPI

Lucretia Renee Barker, M.D.

  • Obstetrics & Gynecology Physician
  • Ada, OK
National Provider Identifier
1003817172
Registry record updated Oct 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
38957 Issued in OK
Practice address
1921 Stonecipher Blvd
Ada, OK 74820-3439
Phone
(580) 436-3980
Fax
(580) 421-6283
NPI assigned
Aug 10, 2005
Last updated
Oct 21, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 38957 OK Primary

Addresses

Primary practice location

1921 Stonecipher Blvd
Ada, OK 74820-3439

Mailing address

1921 Stonecipher Blvd
Ada, OK 74820-3439
Phone (580) 436-3980

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20040401000403 GA Practitioner - Obstetrics/Gynecology 1254323041
I20211109000334 TX Practitioner - Obstetrics/Gynecology 1254323041 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1921 Stonecipher Dr
Ada, OK 74820-3439
Phone (580) 436-3980

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
38957OKMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Chickasaw Nation Division of Health Current Accepting new patients
Chickasaw Nation Division of Health CurrentSince Oct 14, 2021 Accepting new patients
Chickasaw Nation Division of Health Chickasaw Nation Medical Center CurrentSince Oct 14, 2021 Accepting new patients
Chickasaw Nation Division of Health Chickasaw Nation Medical Center Past Accepting new patients
N.T. Cardiovascular Center, PC Past Accepting new patients
Lou R. Barker M.D., P.C. Obstetrics & Gynecology PastSince Jul 1, 1999 Accepting new patients

Locations

1921 Stonecipher Dr
Ada, OK 74820
Phone (580) 421-4570

2510 Chickasaw Blvd
Ardmore, OK 73401
Phone (580) 226-8181

1438 Hardcastle Blvd
Purcell, OK 73080
Phone (405) 527-4700

817 E 6th St
Tishomingo, OK 73460
Phone (580) 371-2392

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/DDDGAA
  • Direct secure messaging: lbarker23155@direct.chickasawnationhealth.net

Organizations & group practices 6

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

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1123632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1003817172",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1921 STONECIPHER BLVD",
            "city": "ADA",
            "state": "OK",
            "postal_code": "748203439",
            "telephone_number": "580-436-3980",
            "fax_number": "580-421-6283"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1921 STONECIPHER BLVD",
            "city": "ADA",
            "state": "OK",
            "postal_code": "748203439",
            "telephone_number": "580-436-3980",
            "fax_number": "580-421-6283"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARKER",
        "first_name": "LUCRETIA",
        "middle_name": "RENEE",
        "name_prefix": "Miss",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-10",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "OK",
            "license": "38957",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ada, OK

Sources for this page

Verify at the official NPI Registry.