NPPES file of Aug 9, 2026

John D. Demott, MD

Diagnostic Radiology Physician · Holland, MI

John D. Demott, MD is a diagnostic radiology physician with a practice address in Holland, Michigan, and NPI 1780617589, issued on Jul 8, 2006. Check the license (Michigan 4301044747, 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
1780617589
Name
John D. Demott
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
4301044747 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)
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.
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8 nearest diagnostic radiology physician records → All 1,584 in Michigan → Look up another NPI →

Also registered at 602 Michigan Avenue

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

  1. Anthony Barclay, MDDiagnostic Radiology Physician1619900412
  2. Gary Bowman, DODiagnostic Radiology Physician1427082536
  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 John D. Demott 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 4301044747    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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John D. Demott among 1,584 diagnostic radiology physician records in Michigan

John D. Demott, 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 not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 50% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Anthony Barclay, MDHolland, MI 494231619900412
  2. Gary Bowman, DOHolland, MI 494231427082536
  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 John D. Demott, MD's NPI number?

John D. Demott, MD's National Provider Identifier (NPI) is 1780617589, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John D. Demott, 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 John D. Demott, MD's license?

NPPES lists Michigan license number 4301044747, 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.

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.