NPPES file of Aug 9, 2026

Thomas James Quarnstrom, M.D.

Family Medicine Physician · Grand Rapids, MI

Thomas James Quarnstrom, M.D. is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1508964651, issued on Sep 20, 2006. Check the license (Michigan 045433, 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
1508964651
Name
Thomas James Quarnstrom
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
045433 MI
Self-reported in NPPES; status is on the state search
Practice location
3019 Coit Ave NE, Grand Rapids, MI 49505
Phone
(616) 365-9575
Enumerated
Sep 20, 2006
Record last updated
Jul 8, 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 family medicine physician records → All 6,013 in Michigan → Look up another NPI →

Also registered at 3019 Coit Ave NE

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

  1. Tammy Bolinger, MS, PA-CMedical Physician Assistant1104936228
  2. Cindy Bos, MDInternal Medicine Physician1104935022
  3. Ryan Brown, O.D.Optometrist1679802029
  4. Suzanne Bullard, R.PH.Pharmacist1871697383
  5. Harriet Christensen, MSWClinical Social Worker1215950936
  6. Susan Clark, ASSOCIATES DEGREEPhysical Therapy Assistant1023313640

Verify Thomas James Quarnstrom 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 045433    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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Thomas James Quarnstrom among 6,013 family medicine physician records in Michigan

Thomas James Quarnstrom, M.D. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 56% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

317 family medicine physician records list a practice address in Grand Rapids

They are 317 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,013 family medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,013 in Michigan → Every provider in Grand Rapids → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Lynda Hulst, MDGrand Rapids, MI 495051811942519
  2. Victor Jimenez, MDGrand Rapids, MI 495051528045333
  3. Maria-Luisa Olsen, M.D.Grand Rapids, MI 495051174639389
  4. Jonathan Reitzenstein, MDGrand Rapids, MI 495051174705818
  5. John Walen, MDGrand Rapids, MI 495051922155332
  6. Kirk Agerson, MDGrand Rapids, MI 495061245226380
  7. Craig Bethune, D.O.Grand Rapids, MI 495061134183619
  8. James Flood, MDGrand Rapids, MI 495061063408136

Common questions

What is Thomas James Quarnstrom, M.D.'s NPI number?

Thomas James Quarnstrom, M.D.'s National Provider Identifier (NPI) is 1508964651, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas James Quarnstrom, M.D. located?

The NPPES record lists a practice address at 3019 Coit Ave NE, Grand Rapids, MI, 49505. Phone: (616) 365-9575. Providers update this record themselves, so call before visiting.

How can I verify Thomas James Quarnstrom, M.D.'s license?

NPPES lists Michigan license number 045433, 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.