NPPES file of Aug 9, 2026

Thomas Edward Knuff, M.D.

Gastroenterology Physician · Marquette, MI

Thomas Edward Knuff, M.D. is a gastroenterology physician with a practice address in Marquette, Michigan, and NPI 1235119462, issued on Jan 23, 2006. Check the license (Michigan TK043987, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235119462
Name
Thomas Edward Knuff
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
TK043987 MI
Self-reported in NPPES; status is on the state search
Practice location
1414 W Fair Ave, Marquette, MI 49855
Phone
(906) 225-3880
Enumerated
Jan 23, 2006
Record last updated
Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(906) 225-4523
Medicaid ID
1375915 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1414 W Fair Ave

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

  1. Jamie-Diane Armour, M.S.Genetic Counselor (M.S.)1639553381
  2. Daniel Arnold, MDHematology (Internal Medicine) Physician1124012661
  3. Stephen Bailey, PA-CPhysician Assistant1275643827
  4. Susan Balmer, MDInternal Medicine Physician1164640058
  5. John Bartlett, M.D.Internal Medicine Physician1821090994
  6. Eliza Bischof, PA-CPhysician Assistant1366101545

Verify Thomas Edward Knuff 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 TK043987
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Thomas Edward Knuff among 550 gastroenterology physician records in Michigan

Thomas Edward Knuff, M.D. 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 not. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 50% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 75% of these records are
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Kenneth Buran, M.D.Marquette, MI 498551033129390
  2. Gregory Hayne, M.D.Marquette, MI 498551457325946
  3. Thomas KellyMarquette, MI 498551598071201
  4. Thomas Noren, M.D.Marquette, MI 498551639159940
  5. Michael Potes, DOMarquette, MI 498551770074114
  6. Ann Silverman, MDMarquette, MI 498551902974439
  7. William Stahl, M.D.Marquette, MI 498551265484760
  8. Francis Welsh, M.D.Marquette, MI 498551336128578

Common questions

What is Thomas Edward Knuff, M.D.'s NPI number?

Thomas Edward Knuff, M.D.'s National Provider Identifier (NPI) is 1235119462, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Edward Knuff, M.D. located?

The NPPES record lists a practice address at 1414 W Fair Ave, Marquette, MI, 49855. Phone: (906) 225-3880. Providers update this record themselves, so call before visiting.

How can I verify Thomas Edward Knuff, M.D.'s license?

NPPES lists Michigan license number TK043987, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.