Active NPI
Mackinac Straits Health System Inc
Doing business as Mackinac Straits Hospital and Health Center
- Critical Access Hospital
- Saint Ignace, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Access Hospital
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | |||
| Family Medicine Physician | 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
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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 ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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
- Corporation
- Enrollment address
- 1140 N State St
Saint Ignace, MI 49781-1048
Related certifications (CCN) 4
Facilities connected through Provider of Services related, parent or unit certification numbers.
-
dba St. Ignace Medical Clinic
- Rural Health Clinic/Center
- Saint Ignace, MI
- NPI 1013172493
Parent provider
-
- Rural Health Clinic/Center
- Mackinaw City, MI
- NPI 1245554914
Parent provider
-
dba Rivertown Medical Clinic
- Rural Health Clinic/Center
- Cheboygan, MI
- NPI 1659868206
Parent provider
-
dba Mackinac Straits Hospital and Health Center
- Medicare Defined Swing Bed Hospital Unit
- Saint Ignace, MI
- NPI 1811152291
Other NPIs with the same Medicare PAC ID 6
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
-
dba St. Ignace Medical Clinic
- Rural Health Clinic/Center
- Saint Ignace, MI
- NPI 1013172493
1456420876
-
- Rural Health Clinic/Center
- Mackinaw City, MI
- NPI 1245554914
1456420876
-
dba Mackinac Straits Hospital and Health Center
- General Practice Physician
- Saint Ignace, MI
- NPI 1659536035
1456420876
-
dba Rivertown Medical Clinic
- Rural Health Clinic/Center
- Cheboygan, MI
- NPI 1659868206
1456420876
-
dba Mackinac Straits Hospital and Health Center
- Medicare Defined Swing Bed Hospital Unit
- Saint Ignace, MI
- NPI 1811152291
1456420876
-
dba Mackinac Straits Hospital
- Skilled Nursing Facility
- Saint Ignace, MI
- NPI 1902061385
1456420876
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
dba Rivertown Medical Clinic
- Rural Health Clinic/Center
- Cheboygan, MI
- NPI 1659868206
O20080527000172
Care Compare: Hospital
Medicare Care Compare- Listed as
- Mackinac Straits Hospital and Health Center
- Type
- Critical Access Hospitals
- Ownership
- Voluntary non-profit - Private
- Medicare certification status
- Active
- Emergency services
- Yes
National Provider Directory
National Provider Directory- Tax ID family
- Mackinaw Straits Health Inc
Other organizations with this tax ID 11
Organizations that report the same tax identification number in the National Provider Directory.
-
dba Mackinac Straits Hospital Pharmacy
- Critical Access Hospital
- Saint Ignace, MI
- NPI 1649210394
-
dba St. Ignace Medical Clinic
- Rural Health Clinic/Center
- Saint Ignace, MI
- NPI 1013172493
-
- Rural Health Clinic/Center
- Mackinaw City, MI
- NPI 1245554914
-
dba MSHS Crna Group
- Certified Registered Nurse Anesthetist
- Saint Ignace, MI
- NPI 1275931065
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Saint Ignace, MI
- NPI 1295040798
-
dba Mackinac Straits Hospital Pharmacy
- Critical Access Hospital
- Saint Ignace, MI
- NPI 1437391216
-
dba Pickford Medical Center
- Rural Health Clinic/Center
- Pickford, MI
- NPI 1629360797
-
dba Rivertown Medical Clinic
- Rural Health Clinic/Center
- Cheboygan, MI
- NPI 1659868206
-
dba Mackinac Straits Hospital and Health Center
- Medicare Defined Swing Bed Hospital Unit
- Saint Ignace, MI
- NPI 1811152291
-
dba Mackinac Straits Hospital
- Skilled Nursing Facility
- Saint Ignace, MI
- NPI 1902061385
-
- Rural Health Clinic/Center
- Saint Ignace, MI
- NPI 1073837654
Interoperability endpoints
- amybolmer@mshs.allscriptsdirect.net
- angeladesantis@mshs.allscriptsdirect.net
- brandonvincent@mshs.allscriptsdirect.net
- carynkovar@mshs.allscriptsdirect.net
- catherinenowka@mshs.allscriptsdirect.net
- charlenesweeney@mshs.allscriptsdirect.net
- danielwilcox@mshs.allscriptsdirect.net
- deborahgriffin@mshs.allscriptsdirect.net
- edwardsmith@mshs.allscriptsdirect.net
- gregoryhessler@mshs.allscriptsdirect.net
- leneheinlen@mshs.allscriptsdirect.net
- lorettaleja@mshs.allscriptsdirect.net
- maryannphillippi@mshs.allscriptsdirect.net
- peterlevanovich@mshs.allscriptsdirect.net
- rebeccabecker@mshs.allscriptsdirect.net
- robertsharon@mshs.allscriptsdirect.net
- roderickbaltzer@mshs.allscriptsdirect.net
- shannonslocum@mshs.allscriptsdirect.net
- 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.
| Name | Role | Since | Share |
|---|---|---|---|
| Susan H Strich | Corporate Director | Jun 1, 2018 | |
| Jason C Anderson | Corporate Director | Jun 6, 2008 | |
| W-2 Managing Employee | Jun 6, 2008 | ||
| Patrick Shannon | Corporate Director | Feb 1, 2007 | |
| Prentiss M Brown | Corporate Director | Feb 12, 2013 | |
| Robert M Currier | Corporate Director | Jan 1, 2024 | |
| Kevin McElroy | Corporate Director | Jan 2, 2013 | |
| James North | Corporate Director | Feb 12, 2013 | |
| John D Moffat | Corporate Director | Feb 20, 2025 | |
| Deborah S Lull | Operational/Managerial Control | Jan 1, 2024 | |
| Keith Massaway | Corporate Director | May 14, 2015 | |
| Steven Autore | Corporate Director | Jun 6, 2008 | |
| Mark Elmblad | Corporate Director | May 14, 2015 | |
| Karen Cheeseman | Corporate Director | Jul 1, 2017 | |
| W-2 Managing Employee | Jul 1, 2017 | ||
| Margaret Doud | Corporate Director | Jun 6, 2008 | |
| Jodie Becker | Operational/Managerial Control | Jan 1, 2024 | |
| Richard Smith | Corporate Director | 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.
-
- Internal Medicine Physician
- Saint Ignace, MI
- NPI 1326026501
Corporate Director
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Evergreen Living Center | 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.
-
dba Mackinac Straits Hospital
- Skilled Nursing Facility
- Saint Ignace, MI
- NPI 1902061385
5% Or Greater Direct Ownership Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control
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.
-
- Family Medicine Physician
- Mackinac Island, MI
- NPI 1326156928
-
- Family Nurse Practitioner
- Saginaw, MI
- NPI 1447258330
-
- Emergency Medicine Physician
- Lansing, MI
- NPI 1376925743
-
- Family Medicine Physician
- Cheboygan, MI
- NPI 1760564041
-
- Primary Care Nurse Practitioner
- Saint Ignace, MI
- NPI 1992956817
-
- Internal Medicine Physician
- Saint Ignace, MI
- NPI 1447293618
Emergency Medicine
-
- Medical Oncology Physician
- Saint Ignace, MI
- NPI 1366494270
-
- Emergency Medical Services (Emergency Medicine) Physician
- Detroit, MI
- NPI 1043466592
-
- Emergency Medical Services (Emergency Medicine) Physician
- Sault Sainte Marie, MI
- NPI 1275589210
-
- Orthopaedic Surgery Physician
- Muskegon, MI
- NPI 1558652727
-
- Family Nurse Practitioner
- Saint Ignace, MI
- NPI 1689422628
-
- Family Medicine Physician
- Saint Ignace, MI
- NPI 1548821010
Affiliated clinicians 91
Clinicians who list this facility as an affiliation in Medicare Care Compare.
-
- Adult Reconstructive Orthopaedic Surgery Physician
- Petoskey, MI
- NPI 1316300486
Hospital
-
- Emergency Medical Services (Emergency Medicine) Physician
- Detroit, MI
- NPI 1043466592
Hospital
-
- Emergency Medical Services (Emergency Medicine) Physician
- Sault Sainte Marie, MI
- NPI 1275589210
Hospital
-
- Anatomic Pathology & Clinical Pathology Physician
- Marquette, MI
- NPI 1598870719
Hospital
-
- Anatomic Pathology & Clinical Pathology Physician
- Royal Oak, MI
- NPI 1780069526
Hospital
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
- Stephanie Ann Kurburski, MSW
- Stephanie Lynn Lash
- Alice Lindsey, M.D.
- Mackinac Straits Health System (Mackinac Straits Hospital Pharmacy)
- Mackinac Straits Health System Inc (St. Ignace Medical Clinic)
- Mackinac Straits Health System Inc (MSHS Crna Group)
- Mackinac Straits Health System Inc
- Mackinac Straits Health System Inc (Mackinac Straits Hospital Pharmacy)
- Mackinac Straits Health System Inc (Mackinac Straits Hospital and Health Center)
- Mackinac Straits Health System Inc (Mackinac Straits Hospital and Health Center)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
- 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.