Mackinac Straits Health System Inc
NPI 1659868206 · Rural Health Clinic/Center · Cheboygan, MI
Enrolled with Medicare as Part a Provider - Rural Health Clinic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackinac Straits Health System Inc is a Rural Health Clinic/Center organization in Cheboygan, MI (NPI 1659868206).
Provider details
- NPI number
- 1659868206
- Entity type
- Organization
- Primary specialty
- Rural Health Clinic/CenterAmbulatory Health Care Facilities
- Parent organization
- Mackinac Straits Health System Inc
- Organization subpart
- Yes
- Authorized official
- Sonja Sprague, Credentialing(906) 643-0451
Specialties & taxonomies
Ambulatory Health Care Facilities
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Rivertown Medical Clinic
- Doing business as
- St. Ignace Medical Clinic, Annex
Additional practice locations (1)
- 1140 N State St, 2nd FloorSaint Ignace, MI 49781-1048Phone: (906) 643-0400
Registry dates
- Enumerated
- 2018-04-19
- Last updated
- 2025-10-21
- Certified
- 2025-10-21
Frequently asked questions
- What is Mackinac Straits Health System Inc's NPI number?
- Mackinac Straits Health System Inc's National Provider Identifier (NPI) is 1659868206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mackinac Straits Health System Inc?
- Mackinac Straits Health System Inc is classified in the NPPES registry as Rural Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mackinac Straits Health System Inc located?
- Mackinac Straits Health System Inc's practice location on file with NPPES is 920 S Huron St, Cheboygan, MI 49721-2267.
- What is Mackinac Straits Health System Inc's phone number?
- The practice phone number listed in the NPPES registry for Mackinac Straits Health System Inc is (231) 597-8192.
- Does Mackinac Straits Health System Inc accept Medicare?
- Mackinac Straits Health System Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mackinac Straits Health System Inc?
- The authorized official listed on Mackinac Straits Health System Inc's NPPES record is Sonja Sprague, Credentialing. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mackinac Straits Health System Inc's NPI active?
- Yes — Mackinac Straits Health System Inc's NPI (1659868206) is active in the NPPES registry as of the last update on 2025-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.