Marc Thomas Downing, MD
Pediatric Surgery Physician · Kalamazoo, MI
Marc Thomas Downing, MD is a pediatric surgery physician with a practice address in Kalamazoo, Michigan, and NPI 1083694699, issued on Jan 19, 2006. Check the license (Michigan 4301078075, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Marc Thomas Downing
- Credential
- MD
- Primary taxonomy
- Pediatric Surgery Physician 2086S0120X
- License number
- 4301078075 MI
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St, Kalamazoo, MI 49007
- Phone
- (269) 341-6900
- Enumerated
- Jan 19, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (269) 341-7883
- Medicaid ID
- 4459017 MI
- Entity
- Type 1 · individual
8 nearest pediatric surgery physician records → All 46 in Michigan → Look up another NPI →
Also registered at 601 John St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc Thomas Downing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301078075Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $94.32
5 payments; by number, the most common kind was food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 523 providers of this specialty with any payment received $5,419.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marc Thomas Downing among 46 pediatric surgery physician records in Michigan
Marc Thomas Downing, MD is one of 46 pediatric surgery physician records with a practice address in Michigan. 61% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 61% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 37% of these records are
- Record last updated2023 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0120X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Surgery Physician providers in Michigan
There are 46 pediatric surgery physician records in Michigan.
All 46 in Michigan → Every provider in Kalamazoo → Pediatric Surgery Physician nationwide →
The 8 pediatric surgery physician records with the nearest ZIP codes
- Jennifer Timmons, MDKalamazoo, MI 490071891810578
- Juda Jona, MDLansing, MI 489121780780478
- Robert Connors, MDGrand Rapids, MI 495031679622765
- James Decou, MDGrand Rapids, MI 495031326197625
- Emily Durkin, M.D.Grand Rapids, MI 495031386694958
- Eric Groh, M.D.Grand Rapids, MI 495031821359613
- Elliot Pennington, MDGrand Rapids, MI 495031235365081
- Daniel Robertson, M.D.Grand Rapids, MI 495031578501573
Common questions
What is Marc Thomas Downing, MD's NPI number?
Marc Thomas Downing, MD's National Provider Identifier (NPI) is 1083694699, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Thomas Downing, MD located?
The NPPES record lists a practice address at 601 John St, Kalamazoo, MI, 49007. Phone: (269) 341-6900. Providers update this record themselves, so call before visiting.
How can I verify Marc Thomas Downing, MD's license?
NPPES lists Michigan license number 4301078075, 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 Marc Thomas Downing, MD's MIPS final score?
The 2023 MIPS final score is 84.9 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.