NPPES file of Aug 9, 2026

Thomas Rupp, MD

Gastroenterology Physician · Grand Rapids, MI

Thomas Rupp, MD is a gastroenterology physician with a practice address in Grand Rapids, Michigan, and NPI 1477593473, issued on Jun 7, 2006. Check the license (Michigan 4301053001, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477593473
Name
Thomas Rupp
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
4301053001 MI
Self-reported in NPPES; status is on the state search
Practice location
4100 Lake Dr SE, Grand Rapids, MI 49546
Phone
(616) 774-2414
Enumerated
Jun 7, 2006
Record last updated
Feb 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100210000703); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1988
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4100 Lake Dr SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chaitanya Acharya, MDPulmonary Disease Physician1902853880
  2. Olusanjo Adeoye, MD, MBASports Medicine (Orthopaedic Surgery) Physician1477716348
  3. Elizabeth Albert, AT, ATCAthletic Trainer1619332806
  4. Emily Aldrich, MS, AT, ATCAthletic Trainer1417361478
  5. Kristi Anderson, FNP-CFamily Nurse Practitioner1821784141
  6. Kimberly Andrulis, RDRegistered Dietitian1851651269

Verify Thomas Rupp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301053001
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,925 Medicare Part D claims for 796 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Thomas Rupp1,925
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium452 claims
  2. Peg 3350-Electrolyte388 claims
  3. Omeprazole254 claims
  4. Azathioprine64 claims
  5. Famotidine48 claims
  6. Linzess43 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): 100 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.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $51.74

3 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Rupp$51.74
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Rupp among 550 gastroenterology physician records in Michigan

Thomas Rupp, MD is one of 550 gastroenterology physician records with a practice address in Michigan. 85% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1988 · median 2003 among the 415 with a school on file
  • Record last updated2021 · 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 207RG0100X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Michigan

There are 550 gastroenterology physician records in Michigan.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Asif Azeem, M.D.Grand Rapids, MI 495461932288248
  2. Jeremy Barber, D.O.Grand Rapids, MI 495461417177866
  3. Courtney Ferch, MDGrand Rapids, MI 495461316176282
  4. James Fuson, MDGrand Rapids, MI 495461255388104
  5. Lia Kaufman, MDGrand Rapids, MI 495461790915361
  6. Ben Kieff, MDGrand Rapids, MI 495461760421440
  7. Randall Meisner, MDGrand Rapids, MI 495461003869215
  8. Matthew Moeller, MDGrand Rapids, MI 495461386763704

Common questions

What is Thomas Rupp, MD's NPI number?

Thomas Rupp, MD's National Provider Identifier (NPI) is 1477593473, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Rupp, MD located?

The NPPES record lists a practice address at 4100 Lake Dr SE, Grand Rapids, MI, 49546. Phone: (616) 774-2414. Providers update this record themselves, so call before visiting.

How can I verify Thomas Rupp, MD's license?

NPPES lists Michigan license number 4301053001, 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 Rupp, MD prescribe under Medicare Part D?

In 2024, Thomas Rupp, MD had 1,925 Medicare Part D claims for 796 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Thomas Rupp, MD's MIPS final score?

The 2023 MIPS final score is 100 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.