Thomas B. Foster, MD
Adolescent Medicine (Internal Medicine) Physician · Grand Rapids, MI
Thomas B. Foster, MD is an adolescent medicine (internal medicine) physician with a practice address in Grand Rapids, Michigan, and NPI 1033183371, issued on Feb 14, 2006. Check the license (Michigan 4301086395, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Thomas B. Foster
- Credential
- MD
- Primary taxonomy
- Adolescent Medicine (Internal Medicine) Physician 207RA0000X
- License number
- 4301086395 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2373 64TH St SW, Grand Rapids, MI 49315
- Phone
- (616) 685-1350
- Enumerated
- Feb 14, 2006
- Record last updated
- Sep 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 036088888 IL
- Medicare enrollment
- Enrolled (PECOS I20051005000876); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Thomas B. Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301086395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average adolescent medicine (internal medicine) physician in 2024
3,268 Medicare Part D claims for 343 beneficiaries, against an average of 3,639 among the 177 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 139 claims were for opioids.
Most prescribed
- Atorvastatin Calcium213 claims
- Lisinopril154 claims
- Amlodipine Besylate148 claims
- Omeprazole111 claims
- Metoprolol Succinate105 claims
- Allopurinol90 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
- Advantage Health/saint Mary's Medical GroupByron Center, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adolescent Medicine (Internal Medicine) Physician providers in Michigan
There are 18 adolescent medicine (internal medicine) physician records in Michigan.
Other adolescent medicine (internal medicine) physician records in Michigan
- Belen Amat-Martinez, MDHastings, MI1679768659
- Mohammad Batayneh, M.D.,Livonia, MI1609919323
- Gursharn Dosanjh, MDGrandville, MI1225110992
- Nahid Elyas, M.D.Farmington Hills, MI1134170384
- Pranay Gupta, M.B.B.S.Garden City, MI1710625546
- Gulnaz Khan, M.DDetroit, MI1952578924
- Jennifer Lachapell, MDGrand Rapids, MI1396773594
- Shahina Motorwala, MDWestland, MI1841312659
- Uchebike Nwankwo, MDLowell, MI1962690073
- Abraham Oommen, MDAlma, MI1871554485
Common questions
What is Thomas B. Foster, MD's NPI number?
Thomas B. Foster, MD's National Provider Identifier (NPI) is 1033183371, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas B. Foster, MD located?
The NPPES record lists a practice address at 2373 64TH St SW, Grand Rapids, MI, 49315. Phone: (616) 685-1350. Providers update this record themselves, so call before visiting.
How can I verify Thomas B. Foster, MD's license?
NPPES lists Michigan license number 4301086395, 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 B. Foster, MD prescribe under Medicare Part D?
In 2024, Thomas B. Foster, MD had 3,268 Medicare Part D claims for 343 beneficiaries; the average among adolescent medicine (internal medicine) physician prescribers was 3,639. 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.