Theresa M. Thomas, D.O.
Family Medicine Physician · Clarkston, MI
Theresa M. Thomas, D.O. is a family medicine physician with a practice address in Clarkston, Michigan, and NPI 1407977200, issued on Apr 2, 2007. Check the license (Michigan 5101016607, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Theresa M. Thomas
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101016607 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5900 Waldon RD, Clarkston, MI 48346
- Phone
- (248) 625-1058
- Enumerated
- Apr 2, 2007
- Record last updated
- Jan 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (248) 625-3670
- Medicare enrollment
- Enrolled (PECOS I20080927000096); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 5900 Waldon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hsiao Bechinski, DOInternal Medicine Physician1861594962
- Daniel Bielak, D.O.Family Medicine Physician1841222080
- Shawn Conner, MDFamily Medicine Physician1568564367
Verify Theresa M. Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101016607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average family medicine physician in 2024
5,637 Medicare Part D claims for 343 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. 118 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Levothyroxine Sodium248 claims
- Simvastatin205 claims
- Omeprazole160 claims
- Methylprednisolone138 claims
- Tamsulosin Hcl138 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.
Bills Medicare through one group practice
- Henry Ford Medical Group GenesysClarkston, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa M. Thomas among 6,013 family medicine physician records in Michigan
Theresa M. Thomas, D.O. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2005 · median 2008 among the 3,493 with a school on file
- Record last updated2013 · 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).
35 family medicine physician records list a practice address in Clarkston
They are 35 of the 1,197 NPPES records with a practice address in Clarkston, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Clarkston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel Bielak, D.O.Clarkston, MI 483461841222080
- Ricardo Cabrera, M.D.Clarkston, MI 483461801875943
- Jacqueline Chirco, D.O.Clarkston, MI 483461023189487
- Shawn Conner, MDClarkston, MI 483461568564367
- Fabrizio Di Noto, M.D.Clarkston, MI 483461437178720
- Lisa Dietz, DOClarkston, MI 483461629067541
- Katherine French, DOClarkston, MI 483461306952791
- Joseph Lajoie, D.O.Clarkston, MI 483461932179835
Common questions
What is Theresa M. Thomas, D.O.'s NPI number?
Theresa M. Thomas, D.O.'s National Provider Identifier (NPI) is 1407977200, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Theresa M. Thomas, D.O. located?
The NPPES record lists a practice address at 5900 Waldon RD, Clarkston, MI, 48346. Phone: (248) 625-1058. Providers update this record themselves, so call before visiting.
How can I verify Theresa M. Thomas, D.O.'s license?
NPPES lists Michigan license number 5101016607, 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 Theresa M. Thomas, D.O. prescribe under Medicare Part D?
In 2024, Theresa M. Thomas, D.O. had 5,637 Medicare Part D claims for 343 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.