Gregory Don Balcerak, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

8596 Issued in OK

Practice address

1815 W 6TH Ave
Stillwater, OK 74074-4202

Phone

(405) 743-7300

NPI assigned

Sep 15, 2021

Last updated

Jul 27, 2026By the provider in NPPES

Sex

Male

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

Internal Medicine

Education

Oklahoma State University College of Osteopathic Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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": "1631664000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1538839154",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 COPPERFIELD DR",
            "city": "EDMOND",
            "state": "OK",
            "postal_code": "730036177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1815 W 6TH AVE",
            "city": "STILLWATER",
            "state": "OK",
            "postal_code": "740744202",
            "telephone_number": "405-743-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BALCERAK",
        "first_name": "GREGORY",
        "middle_name": "DON",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-15",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "8596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Blair Baker
• Dana M. Baker, M. A. CCC-SLP
• Kenda Gale Baker, PA
• Balanced Beginnings Lactation
• Priyankha Balasundaram, MD
• Angela Baldridge, NP
• Leslie Fradd Baldwin, M.A. CCC-SLP
• Sydney Cheyanne Bales
• Shelbi Ballard, RN
• Ryan Lake Barber, COTA/L

• Internal Medicine Physician in Stillwater, OK
• Providers in Stillwater, OK by specialty
• Internal Medicine Physician in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 2026; 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.