Mackinac Straits Health System Inc

Organization Active NPI Critical Access Hospital · Saint Ignace, MI

NPI 1124283502 · NPPES record last updated Jul 13, 2026

Key facts

NPI
1124283502
Entity type
Organization (NPI type 2)
Primary specialty
Critical Access Hospital 282NC0060X
Legal business name
MACKINAC STRAITS HEALTH SYSTEM INC
Practice address
1140 N State St
Saint Ignace, MI 49781-1048
Phone
(906) 643-8585
Fax
(906) 643-0373
NPI assigned
Jul 24, 2008
Organization subpart
No

Authorized official

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

Owners & managing parties with NPI records 3

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

Owned or controlled facilities with NPI records 1

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

Other NPIs on the same Medicare enrollment 1

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

Other NPIs with the same Medicare PAC ID 6

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

Corporate family (same tax ID) 11

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

Member organizations 1

Organizations listed as members of this organization in the National Provider Directory.

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

Practitioners 84

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

View all 84

Affiliated clinicians 91

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

View all 91

Medicare Care Compare: Hospital

Listed as
Mackinac Straits Hospital and Health Center CCN 231306
Type
Critical Access Hospitals
Ownership
Voluntary non-profit - Private
Medicare certification status
Active (Provider of Services file)
Emergency services
Yes

Source: Medicare Care Compare.

Medicare participation

Medicare fee-for-service enrollment
Enrolled in MI

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 · Non-profit
Enrollment address
1140 N State St
Saint Ignace, MI 49781-1048
Other Hospital Practice Location

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 Director
Post Chief of Staff
Jun 1, 2018
Jason C Anderson
Individual
Corporate Director
Cfo
Jun 6, 2008
W-2 Managing Employee
Cfo
Jun 6, 2008
Patrick Shannon
Individual
Corporate Director
Board Vice Chair
Feb 1, 2007
Prentiss M Brown
Individual
Corporate Director
Board Member
Feb 12, 2013
Robert M Currier
Individual
Corporate Director
Chief of Staff
Jan 1, 2024
Kevin McElroy
Individual
Corporate Director
Chief Human Resources & Support
Jan 2, 2013
James North
Individual
Corporate Director
Board Member
Feb 12, 2013
John D Moffat
Individual
Corporate Director
Vice Chief of Staff
Feb 20, 2025
Deborah S Lull
Individual
Operational/Managerial Control
Chief Nursing Officer
Jan 1, 2024
Keith Massaway
Individual
Corporate Director
Board Member
May 14, 2015
Steven Autore
Individual
Corporate Director
Board
Jun 6, 2008
Mark Elmblad
Individual
Corporate Director
Board Member
May 14, 2015
Karen Cheeseman
Individual
Corporate Director
President & Ceo
Jul 1, 2017
W-2 Managing Employee
President & Ceo
Jul 1, 2017
Margaret Doud
Individual
Corporate Director
Board Treasurer
Jun 6, 2008
Jodie Becker
Individual
Operational/Managerial Control
Chief Ambulatory Officer
Jan 1, 2024
Richard Smith
Individual
Corporate Director
Board Member
Jun 6, 2008

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 Center
Saint 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

Medicare enrollment records

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

National Provider Directory

Tax ID family
Mackinac Straits Health System (12 organizations share this tax ID)

Locations

420 S Nicolet St
Mackinaw City, MI 49701
Phone (231) 436-9900

Interoperability endpoints

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

Specialties & licenses

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

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

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

Other practice location 2

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

Other practice location 3

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

Other practice location 4

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

Other practice location 5

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

Other identifiers

IdentifierTypeStateIssuer
405171127MedicaidMI
00223OtherMIBLUE CROSS
301555851MedicaidMI

Other names

  • Mackinac Straits Hospital and Health Center Doing business as

Electronic endpoints

TypeEndpointUseAffiliation
CONNECT URL idoc
Other URL idoc
Other URL MyChart

Other providers in Saint Ignace, MI

All providers in Saint Ignace, MI · Critical Access Hospital in Michigan

Sources for this page

Verify at the official NPI Registry.