John Anthony Merchun, MD
Diagnostic Radiology Physician · Greenville, MI
John Anthony Merchun, MD is a diagnostic radiology physician with a practice address in Greenville, Michigan, and NPI 1851325971, issued on Jul 11, 2006. Check the license (Michigan 4301070097, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Anthony Merchun
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 4301070097 MI
Self-reported in NPPES; status is on the state search - Practice location
- 615 South Bower Street, Greenville, MI 48838
- Phone
- (616) 754-4691
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050627000458); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1993
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,584 in Michigan → Look up another NPI →
Verify John Anthony Merchun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301070097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Advanced Radiology Services PCGrand Rapids, MI
- Spectrum Health UnitedGreenville, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Anthony Merchun among 1,584 diagnostic radiology physician records in Michigan
John Anthony Merchun, 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.
All 1,584 in Michigan → Every provider in Greenville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Lawrence Coryell, MDEast Lansing, MI 488241710935382
- Ryan Fajardo, M.D.East Lansing, MI 488241932286945
- Andrew Guglielmi, D.O.East Lansing, MI 488241417162819
- Tara Klix, D.O.East Lansing, MI 488241851567788
- Luke Kopulos, MDEast Lalnsing, MI 488241245436013
- Anne Lee, D.O.East Lansing, MI 488241649554767
- Thomas Loi, M.D.East Lansing, MI 488241053587535
- Suresh Mukherji, MDEast Lansing, MI 488241326129453
Common questions
What is John Anthony Merchun, MD's NPI number?
John Anthony Merchun, MD's National Provider Identifier (NPI) is 1851325971, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Anthony Merchun, MD located?
The NPPES record lists a practice address at 615 South Bower Street, Greenville, MI, 48838. Phone: (616) 754-4691. Providers update this record themselves, so call before visiting.
How can I verify John Anthony Merchun, MD's license?
NPPES lists Michigan license number 4301070097, 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 John Anthony Merchun, 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.