NPIMap

Organization Active NPI

Mymichigan Medical Center Saginaw

Doing business as Ascension Medical Group Cardiothoracic Surgical Associates Saginaw

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Saginaw, MI
National Provider Identifier
1154087914
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
Legal business name
MYMICHIGAN MEDICAL CENTER SAGINAW
Doing business as
Ascension Medical Group Cardiothoracic Surgical Associates Saginaw
Practice address
1015 S Washington Ave
Saginaw, MI 48601-2556
Phone
(989) 907-4382
Fax
(989) 754-3015
NPI assigned
Nov 16, 2021
Last updated
Jan 14, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Authorized official

Name
Sarah James
Title
Manager Patient Accounting
Phone
(989) 701-4734

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208G00000X Primary

Addresses

Primary practice location

1015 S Washington Ave
Saginaw, MI 48601-2556

Mailing address

4000 Wellness Dr
Midland, MI 48670-2000
Phone (844) 832-1956

Other names 1

  • Ascension Medical Group Cardiothoracic Surgical Associates Saginaw Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040326000404 MI Part B Supplier - Clinic/Group Practice 6305737156 Receives reassigned benefits from 140 practitioners
22 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Pigeon, MI; Pontiac, MI; Saginaw, MI; Sandusky, MI; Standish, MI; Tawas City, MI; Vassar, MI; Oscoda, MI…

Other NPIs on the same Medicare enrollment 19

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 19

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 21

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.

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1637020800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1154087914",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 WELLNESS DR",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486702000",
            "telephone_number": "844-832-1956",
            "fax_number": "989-633-5241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1015 S WASHINGTON AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486012556",
            "telephone_number": "989-907-4382",
            "fax_number": "989-754-3015"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MYMICHIGAN MEDICAL CENTER SAGINAW",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-11-16",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A",
        "authorized_official_last_name": "JAMES",
        "authorized_official_first_name": "SARAH",
        "authorized_official_title_or_position": "MANAGER PATIENT ACCOUNTING",
        "authorized_official_telephone_number": "989-701-4734"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Ascension Medical Group Cardiothoracic Surgical Associates Saginaw",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Saginaw, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.