Matthew A Nash, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

336054761 Issued in IL

Practice address

100 Navarre PL Ste 4470
South Bend, IN 46601-1168

Phone

(574) 647-1405

Fax

(574) 647-3970

NPI assigned

Mar 7, 2006

Last updated

Jul 8, 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 2

Addresses

Other identifiers 1

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in IL, IN2 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

Specialty

Obstetrics/Gynecology

Education

Loyola University of Chicago, Stritch School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Beacon Medical Group IncGroup PAC ID 1254243306, 575 clinicians

Pediatrix Medical Group of Indiana, P.C.Group PAC ID 1557733433, 6 clinicians

Midwest Center for Women's Healthcare, LTDGroup PAC ID 7012818354, 93 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hospital of South Bend Hospital, South Bend, IN, CCN 150058
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 30)

Interoperability endpoints

• Direct secure messaging: matthew.nash.1@21117.direct.athenahealth.com
• Direct secure messaging: mnash208464@direct.myadvocateaurora.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.

• Beacon Medical Group, Inc.

  dba Beacon Medical Group Schwartz - Wiekamp

  • Family Medicine Physician
  • Mishawaka, IN
  • NPI 1033161617
  Medicare reassignment Care Compare group NPD
• Pediatrix Medical Group of Indiana, PC

  • Neonatal-Perinatal Medicine Physician
  • South Bend, IN
  • NPI 1437256146
  Medicare reassignment Care Compare group NPD
• Midwest Center for Women's Health Care, LTD.

  • Obstetrics & Gynecology Physician
  • Bannockburn, IL
  • NPI 1447200654
  Medicare reassignment Care Compare group NPD
• Community Care Network Inc

  dba Powers Health Medical Group

  • Family Medicine Physician
  • Saint John, IN
  • NPI 1457610487

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Healthlinc, Inc.

  • Federally Qualified Health Center (FQHC)
  • Valparaiso, IN
  • NPI 1528262581
  Medicare reassignment NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment NPD
• Obhg Indiana, PC

  • Obstetrics & Gynecology Physician
  • Evansville, IN
  • NPI 1811232218
  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Beacon Medical Group Inc

  dba Beacon Medical Group Anesthesia Elkhart

  • Anesthesiology Physician
  • Elkhart, IN
  • NPI 1437803285
  NPD
• Beacon Medical Group, Inc.

  dba Beacon Medical Group E. Blair Warner

  • Family Medicine Physician
  • South Bend, IN
  • NPI 1609828946

  Obstetrics & Gynecology

  NPD
• Healthlinc, Inc

  dba HealthLinc - Newton

  • Federally Qualified Health Center (FQHC)
  • Morocco, IN
  • NPI 1568354116
  NPD
• Healthlinc, Inc

  • Federally Qualified Health Center (FQHC)
  • South Bend, IN
  • NPI 1811465602
  NPD

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

• Memorial Hospital of South Bend

  • General Acute Care Hospital
  • South Bend, IN
  • NPI 1295772093
  Care Compare affiliation
• Memorial Hospital of South Bend

  dba Memorial Epworth Center

  • Psychiatric Hospital Unit
  • South Bend, IN
  • NPI 1376841395
  Care Compare affiliation
• Memorial Hospital of South Bend

  dba Beacon Granger Hospital, A Memorial Hospital Extension

  • General Acute Care Hospital
  • Granger, IN
  • NPI 1881177756
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation

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

{
    "created_epoch": "1141689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1740257930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3245 HEALTH DR STE 100",
            "city": "GRANGER",
            "state": "IN",
            "postal_code": "465301380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 NAVARRE PL STE 4470",
            "city": "SOUTH BEND",
            "state": "IN",
            "postal_code": "466011168",
            "telephone_number": "574-647-1405",
            "fax_number": "574-647-3970"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "714 N Michigan St",
            "address_purpose": "LOCATION",
            "city": "South Bend",
            "state": "IN",
            "postal_code": "466011035",
            "country_code": "US",
            "telephone_number": "574-647-7477",
            "fax_number": "574-647-3655",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NASH",
        "first_name": "MATTHEW",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-07",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "336054761",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IN",
            "license": "01086723A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300057709",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mnash208464@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "1875 Dempster St Ste 330",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681127",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1875 Dempster St Ste 330",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681127",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mnash208464@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "9301 Golf Rd Ste 101",
            "city": "Des Plaines",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600161600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "9301 Golf Rd Ste 101",
            "city": "Des Plaines",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600161600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• 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 Jul 8, 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.