Christopher Clark Massin, DO
Diagnostic Radiology Physician · Grand Rapids, MI
Christopher Clark Massin, DO is a diagnostic radiology physician with a practice address in Grand Rapids, Michigan, and NPI 1922022409, issued on Jul 27, 2006. Check the license (Michigan 5101012108, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Christopher Clark Massin
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 5101012108 MI
Self-reported in NPPES; status is on the state search - Practice location
- 200 Jefferson Ave, Grand Rapids, MI 49503
- Phone
- (616) 685-6200
- Enumerated
- Jul 27, 2006
- Record last updated
- Sep 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 4886830110 MI
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,584 in Michigan → Look up another NPI →
Also registered at 200 Jefferson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Ogle, M.D.Hospice and Palliative Medicine (Family Medicine) Physician1083721989
Verify Christopher Clark Massin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101012108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Christopher Clark Massin among 1,584 diagnostic radiology physician records in Michigan
Christopher Clark Massin, DO 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 updated2019 · 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).
262 diagnostic radiology physician records list a practice address in Grand Rapids
They are 262 of the 18,005 NPPES records with a practice address in Grand Rapids, and 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 Grand Rapids → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Scott Berman, MDGrand Rapids, MI 495031487660312
- Louis Bixler, MDGrand Rapids, MI 495031760497069
- Kevin Gostenik, MDGrand Rapids, MI 495031477743383
- Mark Malnor, MDGrand Rapids, MI 495031881618239
- Jeffrey Miller, MDGrand Rapids, MI 495031619911575
- Mario Orsini, D.O.Grand Rapids, MI 495031942292792
- Michael Paciorek, MDGrand Rapids, MI 495031558448449
- Keith Rosol, MDGrand Rapids, MI 495031760573695
Common questions
What is Christopher Clark Massin, DO's NPI number?
Christopher Clark Massin, DO's National Provider Identifier (NPI) is 1922022409, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Clark Massin, DO located?
The NPPES record lists a practice address at 200 Jefferson Ave, Grand Rapids, MI, 49503. Phone: (616) 685-6200. Providers update this record themselves, so call before visiting.
How can I verify Christopher Clark Massin, DO's license?
NPPES lists Michigan license number 5101012108, 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.