Thomas S. Mullally, MD
Family Medicine Physician · Croswell, MI
Thomas S. Mullally, MD is a family medicine physician with a practice address in Croswell, Michigan, and NPI 1629030879, issued on Apr 4, 2006. Check the license (Michigan TM051015, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Thomas S. Mullally
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- TM051015 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5525 E Peck RD, Croswell, MI 48422
- Phone
- (810) 679-2950
- Enumerated
- Apr 4, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (810) 679-2960
- Medicaid ID
- 2695679 MI
- Medicare enrollment
- Enrolled (PECOS I20120130000092); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 5525 E Peck RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loretta Mullally, MDGeneral Practice Physician1467414227
Verify Thomas S. Mullally in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license TM051015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,915 Medicare Part D claims for 483 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 191 claims were for opioids.
Most prescribed
- Atorvastatin Calcium586 claims
- Levothyroxine Sodium496 claims
- Amlodipine Besylate377 claims
- Losartan Potassium355 claims
- Losartan-Hydrochlorothiazide334 claims
- Omeprazole282 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.
The MIPS final score for 2023 (Medicare payment program): 84.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $22.67
1 payment: food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Thomas S. Mullally among 6,013 family medicine physician records in Michigan
Thomas S. Mullally, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1987 · median 2008 among the 3,493 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in Croswell
They are 1 of the 45 NPPES records with a practice address in Croswell, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Croswell → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brian Beck, DODavison, MI 484231841288909
- Thomas Bossi, DODavison, MI 484231346342235
- Stanley Conhon, MDDavison, MI 484231487642575
- Thaer Farhan, DODavison, MI 484231871117457
- English Karas, PADavison, MI 484231124504741
- Jennifer Klock, DODavison, MI 484231801833975
- Christie Samuels, MDDavison, MI 484231083716757
- Alan Weamer, MDDavison, MI 484231821190497
Common questions
What is Thomas S. Mullally, MD's NPI number?
Thomas S. Mullally, MD's National Provider Identifier (NPI) is 1629030879, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas S. Mullally, MD located?
The NPPES record lists a practice address at 5525 E Peck RD, Croswell, MI, 48422. Phone: (810) 679-2950. Providers update this record themselves, so call before visiting.
How can I verify Thomas S. Mullally, MD's license?
NPPES lists Michigan license number TM051015, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas S. Mullally, MD prescribe under Medicare Part D?
In 2024, Thomas S. Mullally, MD had 8,915 Medicare Part D claims for 483 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Thomas S. Mullally, MD's MIPS final score?
The 2023 MIPS final score is 84.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.