CYNTHIA M THORNE CRNA
NPI 1649337650
Nurse Anesthetist, Certified Registered in Southfield, MI
About Cynthia M Thorne Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA M THORNE CRNA (NPI 1649337650) is an individual nurse anesthetist, certified registered in Southfield, Michigan, licensed in Michigan (4704160554) and active in the NPI registry since January 2007. She is affiliated with Mclaren Port Huron and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cynthia M Thorne Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Cynthia Thorne reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 359 clinicians in this Medicare group
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1306227764 (Michigan)
- 24 clinicians in this Medicare group
Fort Gratiot, MI 48059
- Reassigned Medicare billing, Michigan enrollment
- 12 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 178 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Port Huron
Acute Care Hospitals · Port Huron, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48075 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTHFIELD, MI 48075
SOUTHFIELD, MI 48075
SOUTHFIELD, MI 48075
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cynthia Thorne's NPI number?
The NPI number for Cynthia Thorne is 1649337650. It was assigned to this individual provider in the NPPES registry on January 2, 2007.
Where is Cynthia Thorne located?
Cynthia Thorne practices at 16001 W 9 Mile Rd, Southfield, MI 48075. The listed phone number is (248) 849-5806.
What is Cynthia Thorne's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Cynthia Thorne enrolled in Medicare?
Yes. Cynthia Thorne is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cynthia Thorne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Thorne reassigns Medicare benefits to 4 organizations: Asa Staffing Inc (Rochester, MI), Prime Healthcare Services-Port Huron LLC (Port Huron, MI), Lakeshore Surgery Anesthesia Billing (Fort Gratiot, MI) and Resource Anesthesiology Associates Of Mi PC (Saginaw, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cynthia Thorne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Cynthia Thorne affiliated with any hospitals?
According to CMS data, Cynthia Thorne is affiliated with Mclaren Port Huron.
When was this NPI record last updated?
The NPPES record for Cynthia Thorne was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Cynthia M Thorne, CRNA · NPI 1649337650
Nurse Anesthetist, Certified Registered physician in Southfield, Michigan. Individual provider, active in the CMS NPPES registry since January 2, 2007.
## Identity
- **NPI:** 1649337650 (Entity type: Individual)
- **Enumerated:** January 2, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704160554 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 16001 W 9 MILE RD, Southfield, MI 48075-4818
- **Phone:** (248) 849-5806
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Asa Staffing Inc (NPI 1114378981, Rochester, MI); Prime Healthcare Services-Port Huron LLC (NPI 1912525361, Port Huron, MI); Lakeshore Surgery Anesthesia Billing (NPI 1417706342, Fort Gratiot, MI); Resource Anesthesiology Associates Of Mi PC (NPI 1568755882, Saginaw, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified P00174473 (MI); Medicaid 4596704 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1649337650) · Data from the CMS NPPES public registry.