NPPES file of Aug 9, 2026

Mark T. Tierney, MD

Diagnostic Radiology Physician · Wyoming, MI

Mark T. Tierney, MD is a diagnostic radiology physician with a practice address in Wyoming, Michigan, and NPI 1659509701, issued on Jun 29, 2009. Check the license (Michigan 4301094795, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659509701
Name
Mark T. Tierney
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4301094795 MI
Self-reported in NPPES; status is on the state search
Practice location
5900 Byron Center Ave SW, Wyoming, MI 49519
Phone
(616) 252-7200
Enumerated
Jun 29, 2009
Record last updated
Jun 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150707003332); accepts Medicare assignment
Medical or professional school
Toledo Medical College, 2009
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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8 nearest diagnostic radiology physician records → All 1,584 in Michigan → Look up another NPI →

Also registered at 5900 Byron Center Ave SW

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

  1. Nichole Accetta, NPPsychiatric/Mental Health Nurse Practitioner1093111734
  2. Jacob Ackermann, DOStudent in an Organized Health Care Education/Training Program1376391870
  3. Abigail AdamsRegistered Dietitian1215574553
  4. Marc Afman, DOEmergency Medical Services (Emergency Medicine) Physician1700844511
  5. Maria Alfonso, PT, DPTPhysical Therapist1265935613
  6. Sarah AliStudent in an Organized Health Care Education/Training Program1437094828

Verify Mark T. Tierney 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 4301094795    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.

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Bills Medicare through one group practice

  1. Metropolitan HospitalWyoming, MI

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

Mark T. Tierney among 1,584 diagnostic radiology physician records in Michigan

Mark T. Tierney, MD is one of 1,584 diagnostic radiology physician records with a practice address in Michigan. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.

  • NPI issued2009 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2009 · median 2003 among the 1,007 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Michigan

There are 1,584 diagnostic radiology physician records in Michigan.

All 1,584 in Michigan → Every provider in Wyoming → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Janan Alkilidar, MDWyoming, MI 495191215031828
  2. Christina BakalisWyoming, MI 495191477784056
  3. John Childress, M.D.Wyoming, MI 495191780902841
  4. Kishendra Gopaul, MDWyoming, MI 495191477079903
  5. Sharon Helmer, M.D.Wyoming, MI 495191346280831
  6. Benjamin Himelhoch, MDWyoming, MI 495191487149852
  7. Ewa Lacka, M.D.Wyoming, MI 495191114095858
  8. Kyle Pfeifer, MDWyoming, MI 495191932494986

Common questions

What is Mark T. Tierney, MD's NPI number?

Mark T. Tierney, MD's National Provider Identifier (NPI) is 1659509701, issued on Jun 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mark T. Tierney, MD located?

The NPPES record lists a practice address at 5900 Byron Center Ave SW, Wyoming, MI, 49519. Phone: (616) 252-7200. Providers update this record themselves, so call before visiting.

How can I verify Mark T. Tierney, MD's license?

NPPES lists Michigan license number 4301094795, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.