Allegan Internal Medicine, P. C

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

ALLEGAN INTERNAL MEDICINE, P. C

Doing business as

Thomas Street Clinic

Practice address

305 Thomas St
Allegan, MI 49010-9158

Phone

(269) 673-2179

Fax

(269) 673-6992

NPI assigned

May 28, 2006

Organization subpart

No

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

Authorized official

Name

Laurie L Hildebrand

Title

Office Manager/Billing

Phone

(269) 673-2179

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 2

• Thomas Street Clinic Doing business as
• Allegan Internal Medicine, P. C Former legal business name

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Nabil Nouna, MD

  • Internal Medicine Physician
  • Allegan, MI
  • NPI 1770540205
  Medicare reassignment Care Compare group NPD
• Amy Lynn Steward, F.N.P.

  • Family Nurse Practitioner
  • Allegan, MI
  • NPI 1134372907
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1148774400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766361600000",
    "number": "1508813114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "305 THOMAS ST",
            "city": "ALLEGAN",
            "state": "MI",
            "postal_code": "490109158",
            "telephone_number": "269-673-2179",
            "fax_number": "269-673-6992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "305 THOMAS ST",
            "city": "ALLEGAN",
            "state": "MI",
            "postal_code": "490109158",
            "telephone_number": "269-673-2179",
            "fax_number": "269-673-6992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALLEGAN INTERNAL MEDICINE, P. C",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-28",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A",
        "authorized_official_last_name": "HILDEBRAND",
        "authorized_official_first_name": "LAURIE",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "OFFICE MANAGER/BILLING",
        "authorized_official_telephone_number": "269-673-2179"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS PIN",
            "identifier": "110Z310760",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Thomas Street Clinic",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Thomas Street Clinic",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Allegan Internal Medicine, P. C",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Allegan County Health Department
• Allegan County Intermediate School District
• Allegan Emergency Medical Services,Inc
• Allegan Eyecare PC
• Allegan Family Dentistry PC
• Allegan Medical Center Pharmacy
• Allegan Medical Clinic, P.C.
• Allegan Nursing Home, LLC
• Allegan Orthopedics PC
• Allegan Orthopedics PC

• Internal Medicine Physician in Allegan, MI
• Providers in Allegan, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.