Erin Grupp

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

31008991A Issued in IN

Practice address

8409 Merrillville Rd
Merrillville, IN 46410-6109

Phone

(219) 205-3463

Fax

(317) 520-8200

NPI assigned

Dec 16, 2020

Last updated

Mar 12, 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 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Hopebridge, LLC

  • Child & Adolescent Psychiatry Physician
  • Kokomo, IN
  • NPI 1891820668

  Occupational Therapist

  NPD (past)
• Mett Therapy Services, Inc.

  • Physical Therapist
  • Joliet, IL
  • NPI 1891998548
  NPD (past)

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

{
    "created_epoch": "1608076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1396331013",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3500 DEPAUW BLVD STE 3070",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462686135",
            "telephone_number": "855-324-0885",
            "fax_number": "317-520-8200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8409 MERRILLVILLE RD",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464106109",
            "telephone_number": "219-205-3463",
            "fax_number": "317-520-8200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1946 45th St Ste A",
            "address_purpose": "LOCATION",
            "city": "Munster",
            "state": "IN",
            "postal_code": "463213956",
            "country_code": "US",
            "telephone_number": "219-332-0033",
            "fax_number": "317-520-8200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "551 Eastport Centre Dr",
            "address_purpose": "LOCATION",
            "city": "Valparaiso",
            "state": "IN",
            "postal_code": "463832898",
            "country_code": "US",
            "telephone_number": "219-255-2454",
            "fax_number": "317-520-8200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "17551 Generations Dr",
            "address_purpose": "LOCATION",
            "city": "South Bend",
            "state": "IN",
            "postal_code": "466351589",
            "country_code": "US",
            "telephone_number": "574-400-2169",
            "fax_number": "317-520-8200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "505 S 3rd St",
            "address_purpose": "LOCATION",
            "city": "Elkhart",
            "state": "IN",
            "postal_code": "465163252",
            "country_code": "US",
            "telephone_number": "574-359-6796",
            "fax_number": "317-520-8200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRUPP",
        "first_name": "ERIN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-12-16",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "IN",
            "license": "31008991A",
            "primary": true
        },
        {
            "code": "224Z00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapy Assistant",
            "state": "IL",
            "license": "057.005351",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melinda Griggs, BS
• Heather Grinder, H.I.S.
• Alyssa Nicole Grkinich, OD
• David G. Gross, D.O.
• Pete Grubnich, DDS
• Anna Grydzuk
• Tamara Marie Grzesik, LMHC
• Jessica Grzymski
• Liliana Guajardo
• Isabelle Guardiola, RBT

• Occupational Therapist in Merrillville, IN
• Providers in Merrillville, IN by specialty
• Occupational Therapist in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.