Theresa Gallagher, FNP-BC
Nurse Practitioner · Bay City, MI
Theresa Gallagher, FNP-BC is a nurse practitioner with a practice address in Bay City, Michigan, and NPI 1407221906, issued on Dec 9, 2015. Check the license (Michigan 4704239694, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Gallagher
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 4704239694 MI
2396115249 MI
RN188556 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4 Columbus Ave, Bay City, MI 48708
- Phone
- (989) 393-2777
- Enumerated
- Dec 9, 2015
- Record last updated
- Aug 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20230621001871); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 4 Columbus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theresa Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704239694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average nurse practitioner in 2024
734 Medicare Part D claims for 370 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 468 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen369 claims
- Cephalexin109 claims
- Oxycodone-Acetaminophen72 claims
- Amoxicillin24 claims
- Methocarbamol24 claims
- Doxycycline Hyclate18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $127.52
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Mclaren Bay RegionBay City, MI · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Theresa Gallagher among 3,574 nurse practitioner records in Michigan
Theresa Gallagher, FNP-BC is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 43% of them.
- NPI issued2015 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2023 · median 2017 among the 1,983 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 nurse practitioner records list a practice address in Bay City
They are 27 of the 2,380 NPPES records with a practice address in Bay City, and 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Bay City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Nicole BoresBay City, MI 487081306505615
- Denise Cianek, RNBay City, MI 487081265476709
- Leah Harris, NPBay City, MI 487081609429612
- Jeffrey Hunt, NPBay City, MI 487081447610001
- Frances KirklandBay City, MI 487081396483202
- Maureen Lewis, NPBay City, MI 487081275133217
- Wilma Smith, FNP-BCBay City, MI 487081457996407
- Kalie TaylorBay City, MI 487081003627936
Common questions
What is Theresa Gallagher, FNP-BC's NPI number?
Theresa Gallagher, FNP-BC's National Provider Identifier (NPI) is 1407221906, issued on Dec 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Gallagher, FNP-BC located?
The NPPES record lists a practice address at 4 Columbus Ave, Bay City, MI, 48708. Phone: (989) 393-2777. Providers update this record themselves, so call before visiting.
How can I verify Theresa Gallagher, FNP-BC's license?
NPPES lists Michigan license number 4704239694, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Gallagher, FNP-BC prescribe under Medicare Part D?
In 2024, Theresa Gallagher, FNP-BC had 734 Medicare Part D claims for 370 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.