GCP Aco 2 LLC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

GCP ACO 2 LLC

Practice address

623 Hamacher St
Waterloo, IL 62298-1786

Phone

(314) 925-0903

NPI assigned

Jul 22, 2025

Last updated

Jul 22, 2025By the provider in NPPES

Organization subpart

Yes

Parent organization

GENERATION CLINICAL PARTNERS LLCAs reported in NPPES

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

Authorized official

Name

Walter Lin, MDNPI 1952481913

Title

Chief Executive Officer

Phone

(314) 925-0903

Specialties & licenses 1

Addresses

Other names 1

• GCP ACO 2 LLC Illinois Other name

Part of

Gen Clinical Partners LLC

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

• Generation Clinical Partners LLC

  • Geriatric Medicine (Internal Medicine) Physician
  • Glen Carbon, IL
  • NPI 1366050007
  NPPES parent name

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Walter Lin, MD, MBA

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1952481913
  NPD Authorized official

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

{
    "created_epoch": "1753142400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753142400000",
    "number": "1700768603",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10426 BAUR BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631321905",
            "telephone_number": "314-925-0903"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "623 HAMACHER ST",
            "city": "WATERLOO",
            "state": "IL",
            "postal_code": "622981786",
            "telephone_number": "314-925-0903"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GCP ACO 2 LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "GENERATION CLINICAL PARTNERS LLC",
        "enumeration_date": "2025-07-22",
        "last_updated": "2025-07-22",
        "certification_date": "2025-07-22",
        "status": "A",
        "authorized_official_last_name": "LIN",
        "authorized_official_first_name": "WALTER",
        "authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
        "authorized_official_telephone_number": "314-925-0903",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "GCP ACO 2 LLC Illinois",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Katie Ann Frey, MHP
• Tara Frey, RSA
• Nichole E Friederich, DPT
• Taisha Furlow, RSA
• Dawn Garner, MHP
• Generation Clinical Partners Aco, LLC (GCP ACO Illinois)
• Angela Gladney, CRADC/MHP
• Carol Ann Glascock, APNP
• Abby Lynn Glessner Buettner
• Revelle Goldsmith

• Internal Medicine Physician in Waterloo, IL
• Providers in Waterloo, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2025; 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.