THERESA GALLAGHER FNP-BC
NPI 1407221906
Nurse Practitioner in Bay City, MI
About Theresa Gallagher Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA GALLAGHER FNP-BC (NPI 1407221906) is an individual nurse practitioner in Bay City, Michigan, licensed in Michigan (4704239694) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS, is affiliated with Mclaren Bay Region, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 3
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
Theresa Gallagher Fnp-bc 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 Theresa Gallagher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bay City, MI 48708
- Reassigned Medicare billing, Michigan enrollment
- 250 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Bay Region
Acute Care Hospitals · Bay City, MIMclaren Caro Region
Critical Access Hospitals · Caro, MIMclaren Thumb Region
Critical Access Hospitals · Bad Axe, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48708 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 3
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 Theresa Gallagher's NPI number?
The NPI number for Theresa Gallagher is 1407221906. It was assigned to this individual provider in the NPPES registry on December 9, 2015.
Where is Theresa Gallagher located?
Theresa Gallagher practices at 4 Columbus Ave, Bay City, MI 48708. The listed phone number is (989) 393-2777.
What is Theresa Gallagher's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Theresa Gallagher enrolled in Medicare?
Yes. Theresa Gallagher 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 Theresa Gallagher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Gallagher reassigns Medicare benefits to Mclaren Bay Region (Bay City, 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 Theresa Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Gallagher accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Theresa Gallagher 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 Theresa Gallagher affiliated with any hospitals?
According to CMS data, Theresa Gallagher is affiliated with Mclaren Bay Region, Mclaren Caro Region and Mclaren Thumb Region.
When was this NPI record last updated?
The NPPES record for Theresa Gallagher was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Theresa Gallagher, FNP-BC · NPI 1407221906
Nurse Practitioner physician in Bay City, Michigan. Individual provider, active in the CMS NPPES registry since December 9, 2015.
## Identity
- **NPI:** 1407221906 (Entity type: Individual)
- **Enumerated:** December 9, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 4704239694 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 COLUMBUS AVE, Bay City, MI 48708-6457
- **Phone:** (989) 393-2777
## 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:** Mclaren Bay Region (NPI 1508131087, Bay City, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** August 23, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1407221906) · Data from the CMS NPPES public registry.