Theresa Marie Bartos Holladay, D.O.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

02008339A Issued in IN

Practice address

1901 W Western Ave Ste B
South Bend, IN 46619-3570

Phone

(574) 234-9033

Fax

(574) 847-7200

NPI assigned

Jul 6, 2006

Last updated

Jun 18, 2026By the provider in NPPES

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 MI, MN, IN3 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 3

Specialty

Obstetrics/Gynecology

Education

Michigan State University College of Osteopathic Medicine, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Indiana Health Centers IncGroup PAC ID 3971599473, 63 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Prairie Ridge Hospital and Health Services Hospital, Elbow Lake, MN, CCN 241379
• Lake Region Healthcare Corporation Hospital, Fergus Falls, MN, CCN 240052

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/e35355ac-dfca-48b9-9dd9-0b7c408c2a66/
• Direct secure messaging: tholladay763651@direct.hfhs.org

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.

• Indiana Health Centers, Inc.

  dba Indiana Health Centers South Bend at Oaklawn

  • Federally Qualified Health Center (FQHC)
  • Indianapolis, IN
  • NPI 1598776742
  Medicare reassignment Care Compare group
• Dickinson County Healthcare System

  dba Marshfield Medical Center - Dickinson Professional Services

  • Emergency Medical Services (Emergency Medicine) Physician
  • Iron Mountain, MI
  • NPI 1891751186

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Portage Physician Practices Inc

  • Internal Medicine Physician
  • Hancock, MI
  • NPI 1225461684

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Lake Region Healthcare Corporation

  dba Lake Region Healthcare

  • Critical Access Hospital
  • Elbow Lake, MN
  • NPI 1407838329
  Medicare reassignment
• Lake Region Healthcare Corporation

  • General Acute Care Hospital
  • Fergus Falls, MN
  • NPI 1093713372
  NPD
• Lake Region Healthcare Corporation

  • Chiropractor
  • Fergus Falls, MN
  • NPI 1265148480
  NPD
• Lake Region Healthcare Corporation

  dba Lake Region Healthcare

  • Chiropractor
  • Fergus Falls, MN
  • NPI 1568353738
  NPD
• Lake Region Healthcare Corporation

  dba Lake Region Healthcare

  • Durable Medical Equipment & Medical Supplies
  • Fergus Falls, MN
  • NPI 1942191119
  NPD
• Portage Physician Practices Inc

  dba UP Medical Group - Portage Express Care

  • Rural Health Clinic/Center
  • Calumet, MI
  • NPI 1164106910
  NPD
• W.a. Foote Memorial Hospital

  dba Henry Ford Allegiance Health

  • General Acute Care Hospital
  • Jackson, MI
  • NPI 1053403402
  NPD (past)

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

• Lake Region Healthcare Corporation

  dba Lake Region Healthcare

  • Critical Access Hospital
  • Fergus Falls, MN
  • NPI 1285525436
  Care Compare affiliation
• Lake Region Healthcare Corporation

  dba Lake Region Healthcare

  • Critical Access Hospital
  • Elbow Lake, MN
  • NPI 1407838329
  Care Compare affiliation

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

{
    "created_epoch": "1152144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1053343608",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8003 CASTLEWAY DR",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462501946",
            "telephone_number": "317-576-1335",
            "fax_number": "317-343-6562"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1901 W WESTERN AVE STE B",
            "city": "SOUTH BEND",
            "state": "IN",
            "postal_code": "466193570",
            "telephone_number": "574-234-9033",
            "fax_number": "574-847-7200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLADAY",
        "first_name": "THERESA",
        "middle_name": "MARIE BARTOS",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-06",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IN",
            "license": "02008339A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Deneen Hogan, COTA
• Mercede Laura Hoggard
• Melissa E Holderread, CNM
• Sarah Ann Holewczynski, RN, NP-C
• Kenneth Charles Holford
• Heather Holleman, PH.D., HSPP
• Shaynna Hollowell-Williams
• Melissa Holman, LCGC
• Dorothy Holmes
• Suzanne Marie Holmes

• Obstetrics & Gynecology Physician in South Bend, IN
• Providers in South Bend, IN by specialty
• Obstetrics & Gynecology Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.