Organization Active NPI

Mackinac Straits Health System Inc

Doing business as Mackinac Straits Hospital and Health Center

  • Critical Access Hospital
  • Saint Ignace, MI
National Provider Identifier
1124283502
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Access HospitalTaxonomy code 282NC0060X
Legal business name
MACKINAC STRAITS HEALTH SYSTEM INC
Doing business as
Mackinac Straits Hospital and Health Center
Practice address
1140 N State St
Saint Ignace, MI 49781-1048
Phone
(906) 643-8585
Fax
(906) 643-0373
NPI assigned
Jul 24, 2008
Last updated
Jul 13, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Authorized official

Name
Karen Louise Cheeseman
Title
Ceo
Phone
(906) 643-0457

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207P00000X
Family Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207Q00000X
Critical Access Hospital 282NC0060X Primary

Addresses

Primary practice location

1140 N State St
Saint Ignace, MI 49781-1048

Mailing address

1140 N State St
Saint Ignace, MI 49781-1013
Phone (906) 643-8585

Other practice location 1

920 S Huron St
Cheboygan, MI 49721-2267
Phone (231) 597-8192

Other practice location 2

441 Souix Ave
Point Aux Pin, MI 49775-5000
Phone (231) 634-7147

Other practice location 3

7474 Market St
Mackinac Island, MI 49757-9800
Phone (906) 847-3582

Other practice location 4

14540 N Mackinaw Highway
Mackinaw City, MI 49701-9507
Phone (231) 436-9900

Other practice location 5

1140 N State St
Saint Ignace, MI 49781-1048
Phone (906) 643-8585

Other names 1

  • Mackinac Straits Hospital and Health Center Doing business as

Electronic endpoints 3

TypeEndpointUseAffiliation
CONNECT URL idoc
Other URL idoc
Other URL MyChart

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20080527000172 MI Part A Provider - Critical Access Hospital 1456420876 Receives reassigned benefits from 62 practitioners
1 other NPI on this enrollment
Practice locations: Mackinac Island, MI; Mackinaw City, MI; Point Aux Pin, MI; Saint Ignace, MI; Cheboygan, MI

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1124283502. Details of each certification follow.

Hospital certification: CCN 231306

Legal name
MACKINAC STRAITS HEALTH SYSTEM INC
Doing business as
MACKINAC STRAITS HOSPITAL AND HEALTH CENTER
Certification status
Active
Provider type (POS)
Hospital – Critical access hospital
Participating since
Apr 26, 2000
Last certification
May 15, 2012
Beds
15
Ownership / control type
Private (not for profit)
Organization structure
CorporationNon-profit
Enrollment address
1140 N State St
Saint Ignace, MI 49781-1048
Other Hospital Practice Location

Facilities connected through Provider of Services related, parent or unit certification numbers.

Other NPIs with the same Medicare PAC ID 6

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Other NPIs on the same Medicare enrollment 1

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

Care Compare: Hospital

Medicare Care Compare
Listed as
Mackinac Straits Hospital and Health CenterCCN 231306 · All quality measures
Type
Critical Access Hospitals
Ownership
Voluntary non-profit - Private
Medicare certification status
ActiveFrom the Provider of Services file
Emergency services
Yes

National Provider Directory

National Provider Directory
Tax ID family
Mackinaw Straits Health Inc12 organizations share this tax ID, including this one

Other organizations with this tax ID 11

Organizations that report the same tax identification number in the National Provider Directory.

Interoperability endpoints

  • Direct secure messaging: amybolmer@mshs.allscriptsdirect.net
  • Direct secure messaging: angeladesantis@mshs.allscriptsdirect.net
  • Direct secure messaging: brandonvincent@mshs.allscriptsdirect.net
  • Direct secure messaging: carynkovar@mshs.allscriptsdirect.net
  • Direct secure messaging: catherinenowka@mshs.allscriptsdirect.net
  • Direct secure messaging: charlenesweeney@mshs.allscriptsdirect.net
  • Direct secure messaging: danielwilcox@mshs.allscriptsdirect.net
  • Direct secure messaging: deborahgriffin@mshs.allscriptsdirect.net
  • Direct secure messaging: edwardsmith@mshs.allscriptsdirect.net
  • Direct secure messaging: gregoryhessler@mshs.allscriptsdirect.net
  • Direct secure messaging: leneheinlen@mshs.allscriptsdirect.net
  • Direct secure messaging: lorettaleja@mshs.allscriptsdirect.net
  • Direct secure messaging: maryannphillippi@mshs.allscriptsdirect.net
  • Direct secure messaging: peterlevanovich@mshs.allscriptsdirect.net
  • Direct secure messaging: rebeccabecker@mshs.allscriptsdirect.net
  • Direct secure messaging: robertsharon@mshs.allscriptsdirect.net
  • Direct secure messaging: roderickbaltzer@mshs.allscriptsdirect.net
  • Direct secure messaging: shannonslocum@mshs.allscriptsdirect.net
  • Direct secure messaging: tracytexter@mshs.allscriptsdirect.net

Ownership & related parties

All disclosed owners & managing parties 16

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Susan H Strich Individual Corporate DirectorPost Chief of Staff Jun 1, 2018
Jason C Anderson Individual Corporate DirectorCfo Jun 6, 2008
W-2 Managing EmployeeCfo Jun 6, 2008
Patrick Shannon Individual Corporate DirectorBoard Vice Chair Feb 1, 2007
Prentiss M Brown Individual Corporate DirectorBoard Member Feb 12, 2013
Robert M Currier Individual Corporate DirectorChief of Staff Jan 1, 2024
Kevin McElroy Individual Corporate DirectorChief Human Resources & Support Jan 2, 2013
James North Individual Corporate DirectorBoard Member Feb 12, 2013
John D Moffat Individual Corporate DirectorVice Chief of Staff Feb 20, 2025
Deborah S Lull Individual Operational/Managerial ControlChief Nursing Officer Jan 1, 2024
Keith Massaway Individual Corporate DirectorBoard Member May 14, 2015
Steven Autore Individual Corporate DirectorBoard Jun 6, 2008
Mark Elmblad Individual Corporate DirectorBoard Member May 14, 2015
Karen Cheeseman Individual Corporate DirectorPresident & Ceo Jul 1, 2017
W-2 Managing EmployeePresident & Ceo Jul 1, 2017
Margaret Doud Individual Corporate DirectorBoard Treasurer Jun 6, 2008
Jodie Becker Individual Operational/Managerial ControlChief Ambulatory Officer Jan 1, 2024
Richard Smith Individual Corporate DirectorBoard Member Jun 6, 2008

Owners & managing parties with NPI records 3

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Evergreen Living CenterSaint Ignace, MI, CCN 235041 Skilled nursing facility 5% Or Greater Direct Ownership Interest (100%)
Operational/Managerial Control
Adp of the SNF
Direct Ownership Interest (100%)
Jan 1, 1967
Jan 1, 1967
Jul 5, 2008
Jan 1, 1967

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Practitioners & affiliated clinicians

Practitioners 85

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 85

Affiliated clinicians 91

Clinicians who list this facility as an affiliation in Medicare Care Compare.

View all 91

NPI Registry JSON

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

{
    "created_epoch": "1216857600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783900800000",
    "number": "1124283502",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1140 N STATE ST",
            "city": "SAINT IGNACE",
            "state": "MI",
            "postal_code": "497811013",
            "telephone_number": "906-643-8585",
            "fax_number": "906-643-0373"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1140 N STATE ST",
            "city": "SAINT IGNACE",
            "state": "MI",
            "postal_code": "497811048",
            "telephone_number": "906-643-8585",
            "fax_number": "906-643-0373"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "920 S Huron St",
            "address_purpose": "LOCATION",
            "city": "Cheboygan",
            "state": "MI",
            "postal_code": "497212267",
            "country_code": "US",
            "telephone_number": "231-597-8192",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "441 Souix Ave",
            "address_purpose": "LOCATION",
            "city": "Point Aux Pin",
            "state": "MI",
            "postal_code": "497755000",
            "country_code": "US",
            "telephone_number": "231-634-7147",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7474 Market St",
            "address_purpose": "LOCATION",
            "city": "Mackinac Island",
            "state": "MI",
            "postal_code": "497579800",
            "country_code": "US",
            "telephone_number": "906-847-3582",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14540 N Mackinaw Highway",
            "address_purpose": "LOCATION",
            "city": "MACKINAW CITY",
            "state": "MI",
            "postal_code": "497019507",
            "country_code": "US",
            "telephone_number": "231-436-9900",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1140 N State St",
            "address_purpose": "LOCATION",
            "city": "Saint Ignace",
            "state": "MI",
            "postal_code": "497811048",
            "country_code": "US",
            "telephone_number": "906-643-8585",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MACKINAC STRAITS HEALTH SYSTEM INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-07-24",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A",
        "authorized_official_last_name": "CHEESEMAN",
        "authorized_official_first_name": "KAREN",
        "authorized_official_middle_name": "LOUISE",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "906-643-0457"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Emergency Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "282NC0060X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital, Critical Access",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "idoc",
            "affiliation": "N",
            "endpointDescription": "idoc",
            "address_1": "1140 N State St",
            "city": "Saint Ignace",
            "state": "MI",
            "country_code": "US",
            "postal_code": "497811048",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "idoc",
            "affiliation": "N",
            "endpointDescription": "idoc",
            "address_1": "1140 N State St",
            "city": "Saint Ignace",
            "state": "MI",
            "country_code": "US",
            "postal_code": "497811048",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "MyChart",
            "affiliation": "N",
            "endpointDescription": "MyChart",
            "address_1": "1140 N State St",
            "city": "Saint Ignace",
            "state": "MI",
            "country_code": "US",
            "postal_code": "497811048",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Mackinac Straits Hospital and Health Center",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Mackinac Straits Hospital and Health Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Saint Ignace, MI

Sources for this page

Verify at the official NPI Registry.