NPPES file of Aug 9, 2026

Anthony Dayton Barclay, MD

Diagnostic Radiology Physician · Holland, MI

Anthony Dayton Barclay, MD is a diagnostic radiology physician with a practice address in Holland, Michigan, and NPI 1619900412, issued on Jul 8, 2006. Check the license (Michigan 4301070639, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619900412
Name
Anthony Dayton Barclay
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4301070639 MI
Self-reported in NPPES; status is on the state search
Practice location
602 Michigan Avenue, Holland, MI 49423
Phone
(616) 392-5141
Enumerated
Jul 8, 2006
Record last updated
Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050624000134); accepts Medicare assignment
Medical or professional school
University Of North Dakota School Of Medicine, 1993
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 602 Michigan Avenue

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

  1. Gary Bowman, DODiagnostic Radiology Physician1427082536
  2. John Demott, MDDiagnostic Radiology Physician1780617589
  3. Paul Field, MDDiagnostic Radiology Physician1790719805
  4. Edward Maas, MDDiagnostic Radiology Physician1497787469
  5. Richard Partridge, MDDiagnostic Radiology Physician1568484368
  6. Rebecca Wierks, CPNPPediatric Nurse Practitioner1396900155

Verify Anthony Dayton Barclay 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 4301070639
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Radiology Muskegon, PCMuskegon, MI

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

Anthony Dayton Barclay among 1,584 diagnostic radiology physician records in Michigan

Anthony Dayton Barclay, 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 50% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1993 · median 2003 among the 1,007 with a school on file
  • Record last updated2007 · 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.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Gary Bowman, DOHolland, MI 494231427082536
  2. John Demott, MDHolland, MI 494231780617589
  3. Susan Ervine, MDHolland, MI 494231992738793
  4. Paul Field, MDHolland, MI 494231790719805
  5. Richard Harper, MDHolland, MI 494231679507206
  6. Frederick Kellaway, MDHolland, MI 494231679593982
  7. Konstantin Loewig, MDHolland, MI 494231336168434
  8. Edward Maas, MDHolland, MI 494231497787469

Common questions

What is Anthony Dayton Barclay, MD's NPI number?

Anthony Dayton Barclay, MD's National Provider Identifier (NPI) is 1619900412, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Dayton Barclay, MD located?

The NPPES record lists a practice address at 602 Michigan Avenue, Holland, MI, 49423. Phone: (616) 392-5141. Providers update this record themselves, so call before visiting.

How can I verify Anthony Dayton Barclay, MD's license?

NPPES lists Michigan license number 4301070639, 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.

What is Anthony Dayton Barclay, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.