DR. THOMAS GERALD FERRERI M.D.
NPI 1235666934
Emergency Medicine in Saginaw, MI
About Dr. Thomas Gerald Ferreri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS GERALD FERRERI M.D. (NPI 1235666934) is an individual emergency medicine provider in Saginaw, Michigan, licensed in Michigan (4301501038) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Covenant Medical Center, and maintains a secondary practice location in Saginaw.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Thomas Gerald Ferreri M.d. 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 Reassignment
Medicare enrollment records show Thomas Ferreri reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 720 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48602 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.
SAGINAW, MI 48602
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 Thomas Ferreri's NPI number?
The NPI number for Thomas Ferreri is 1235666934. It was assigned to this individual provider in the NPPES registry on May 12, 2017.
Where is Thomas Ferreri located?
Thomas Ferreri practices at 900 Cooper Ave, Saginaw, MI 48602. The listed phone number is (989) 583-0000.
What is Thomas Ferreri's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Ferreri enrolled in Medicare?
Yes. Thomas Ferreri 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 organization bills Medicare for Thomas Ferreri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Ferreri reassigns Medicare benefits to Covenant Medical Center, Inc. (Saginaw, MI). The 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 Thomas Ferreri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Ferreri accept?
Health plans from Priority Health list Thomas Ferreri 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 Thomas Ferreri affiliated with any hospitals?
According to CMS data, Thomas Ferreri is affiliated with Covenant Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Ferreri was last updated on July 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Thomas Gerald Ferreri, M.D. · NPI 1235666934
Emergency Medicine physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since May 12, 2017.
## Identity
- **NPI:** 1235666934 (Entity type: Individual)
- **Enumerated:** May 12, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301501038 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 COOPER AVE, Saginaw, MI 48602-5182
- **Phone:** (989) 583-0000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Covenant Medical Center, Inc. (NPI 1972590412, Saginaw, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 1, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1235666934) · Data from the CMS NPPES public registry.