Organization Active NPI

Bay City Orthopedic Surgery PC

Doing business as Terrence J. Cherwin, D. O.

  • Orthopaedic Surgery Physician
  • Bay City, MI
National Provider Identifier
1184773293
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
TC009174 Issued in MI
Legal business name
BAY CITY ORTHOPEDIC SURGERY PC
Doing business as
Terrence J. Cherwin, D. O.
Practice address
204 E Mundy St
Bay City, MI 48706-5154
Phone
(989) 892-0099
Fax
(989) 892-6514
NPI assigned
Jan 9, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2026

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

Authorized official

Name
Terrence J CherwinNPI 1609854793
Title
Owner/Physician
Phone
(989) 892-0099

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207X00000X TC009174 MI Primary

Addresses

Primary practice location

204 E Mundy St
Bay City, MI 48706-5154

Mailing address

204 E Mundy St
Bay City, MI 48706-5154
Phone (989) 892-0099

Other identifiers 2

IdentifierTypeStateIssuer
1757490MedicaidMI
2050900195OtherMIBCBS

Other names 1

  • Terrence J. Cherwin, D. O. Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20080516000554 MI Part B Supplier - Clinic/Group Practice 9436228459 Receives reassigned benefits from 1 practitioner
Practice locations: Bay City, MI

National Provider Directory

National Provider Directory

Locations

204 E Mundy St
Bay City, MI 48706
Phone (517) 892-0099

Practitioners & affiliated clinicians

Practitioners 1

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

NPI Registry JSON

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

{
    "created_epoch": "1168300800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784246400000",
    "number": "1184773293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "204 E MUNDY ST",
            "city": "BAY CITY",
            "state": "MI",
            "postal_code": "487065154",
            "telephone_number": "989-892-0099",
            "fax_number": "989-892-6514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "204 E MUNDY ST",
            "city": "BAY CITY",
            "state": "MI",
            "postal_code": "487065154",
            "telephone_number": "989-892-0099",
            "fax_number": "989-892-6514"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BAY CITY ORTHOPEDIC SURGERY PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-09",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A",
        "authorized_official_last_name": "CHERWIN",
        "authorized_official_first_name": "TERRENCE",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "OWNER/PHYSICIAN",
        "authorized_official_telephone_number": "989-892-0099"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery",
            "state": "MI",
            "license": "TC009174",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1757490",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "2050900195",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Terrence J. Cherwin, D. O.",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Bay City, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.