MICHAEL J SOROSIAK CRNA
NPI 1811089048
Nurse Anesthetist, Certified Registered in Trenton, MI
About Michael J Sorosiak Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J SOROSIAK CRNA (NPI 1811089048) is an individual nurse anesthetist, certified registered in Trenton, Michigan, licensed in Michigan (4704218936) and active in the NPI registry since September 2006. He is affiliated with Mercy St Vincent Medical Center and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Michael J Sorosiak 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
7Medicare enrollment records show Michael Sorosiak reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, MI 48162
- Reassigned Medicare billing, Michigan enrollment
- 109 clinicians in this Medicare group
Toledo, OH 43604
- Reassigned Medicare billing, Michigan enrollment
- 123 clinicians in this Medicare group
Toledo, OH 43604
- Reassigned Medicare billing, Ohio enrollment
- 1,072 clinicians in this Medicare group
Toledo, OH 43623
- Reassigned Medicare billing, Ohio enrollment
- 31 clinicians in this Medicare group
Springfield, OH 45505
- Reassigned Medicare billing, Ohio enrollment
- 471 clinicians in this Medicare group
Batavia, OH 45103
- Reassigned Medicare billing, Ohio enrollment
- Medicare enrollment name: Southwest Ohio Anesthesia Consultants LLC
- 830 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 905 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy St Vincent Medical Center
Acute Care Hospitals · Toledo, OHBay Park Community Hospital
Acute Care Hospitals · Oregon, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48183 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
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 Michael Sorosiak's NPI number?
The NPI number for Michael Sorosiak is 1811089048. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Michael Sorosiak located?
Michael Sorosiak practices at 5450 Fort St, Trenton, MI 48183. The listed phone number is (734) 671-3666.
What is Michael Sorosiak's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Michael Sorosiak enrolled in Medicare?
Yes. Michael Sorosiak 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 Michael Sorosiak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sorosiak reassigns Medicare benefits to 7 organizations: Ambulatory Anesthesia Associates, PC (Monroe, MI), Promedica Central Corporation Of Michigan (Toledo, OH), Promedica Central Physicians (Toledo, OH), Amsurg Toledo Anesthesia LLC (Toledo, OH), Northstar Anesthesia Of Ohio LLC (Springfield, OH) and 2 more organizations, listed in the Medicare section above. 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 Michael Sorosiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Sorosiak accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource, Paramount and Priority Health list Michael Sorosiak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Sorosiak affiliated with any hospitals?
According to CMS data, Michael Sorosiak is affiliated with Mercy St Vincent Medical Center and Bay Park Community Hospital.
When was this NPI record last updated?
The NPPES record for Michael Sorosiak was last updated on November 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Michael J Sorosiak, CRNA · NPI 1811089048
Nurse Anesthetist, Certified Registered physician in Trenton, Michigan. Individual provider, active in the CMS NPPES registry since September 28, 2006.
## Identity
- **NPI:** 1811089048 (Entity type: Individual)
- **Enumerated:** September 28, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704218936 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 5450 FORT ST, Trenton, MI 48183-4601
- **Phone:** (734) 671-3666 · **Fax:** (734) 671-3185
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Ambulatory Anesthesia Associates, PC (NPI 1952350555, Monroe, MI); Promedica Central Corporation Of Michigan (NPI 1588624696, Toledo, OH); Promedica Central Physicians (NPI 1043270150, Toledo, OH); Amsurg Toledo Anesthesia LLC (NPI 1053686071, Toledo, OH); Northstar Anesthesia Of Ohio LLC (NPI 1417276429, Springfield, OH); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** November 3, 2023
- **Other identifiers:** Medicaid 4835581 (MI); Medicaid 4510405 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1811089048) · Data from the CMS NPPES public registry.