NPPES file of Aug 9, 2026

Mark C. Stewart, M.D.

Sports Medicine (Neuromusculoskeletal Medicine) Physician · Bay City, MI

Mark C. Stewart, M.D. is a sports medicine (neuromusculoskeletal medicine) physician with a practice address in Bay City, Michigan, and NPI 1205805579, issued on Mar 17, 2006. Check the license (Michigan MS043841, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205805579
Name
Mark C. Stewart
Credential
M.D.
Primary taxonomy
Sports Medicine (Neuromusculoskeletal Medicine) Physician 204C00000X
License number
MS043841 MI
Self-reported in NPPES; status is on the state search
Practice location
4 Columbus Ave Ste 360, Bay City, MI 48708
Phone
(989) 894-1111
Enumerated
Mar 17, 2006
Record last updated
Mar 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(989) 894-2994
Medicaid ID
173591110 MI
Medicare enrollment
Enrolled (PECOS I20041020000642); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark C. Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license MS043841
    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
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76% fewer Medicare Part D claims than the average sports medicine (neuromusculoskeletal medicine) physician in 2024

232 Medicare Part D claims for 96 beneficiaries, against an average of 965 among the 110 providers of this specialty who prescribed in Part D. 119 claims were for opioids.

  1. Mark Stewart232
  2. Specialty average965

Most prescribed

  1. Hydrocodone-Acetaminophen101 claims
  2. Cephalexin55 claims
  3. Ciprofloxacin Hcl19 claims
  4. Tramadol Hcl15 claims
  5. Amoxicillin-Clavulanate Potass11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $30.10

1 payment: food and beverage; the largest payer was Orthofix Medical, Inc. The 70 providers of this specialty with any payment received $1,066.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Stewart$30.10
  2. Specialty average$1,066.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sports Medicine (Neuromusculoskeletal Medicine) Physician providers in Michigan

There are 9 sports medicine (neuromusculoskeletal medicine) physician records in Michigan.

The 8 sports medicine (neuromusculoskeletal medicine) physician records with the nearest ZIP codes

  1. Lisa KaplanKalamazoo, MI 490081558879163
  2. Mark Rottenberg, MDFarmington Hills, MI 483341396729232
  3. Kenneth Richter, DOFarmington Hills, MI 483311033159132
  4. Laran Lerner, D.O.Westland, MI 481861598713430
  5. Kenneth Mueller, D.OHillsdale, MI 492421780071811
  6. Fredric Levin, DOMuskegon, MI 494421730122664
  7. Robert Schneeberger, DOMuskegon, MI 494421295777423
  8. Val Syring, D.O.Grand Rapids, MI 495061023019890

Common questions

What is Mark C. Stewart, M.D.'s NPI number?

Mark C. Stewart, M.D.'s National Provider Identifier (NPI) is 1205805579, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark C. Stewart, M.D. located?

The NPPES record lists a practice address at 4 Columbus Ave Ste 360, Bay City, MI, 48708. Phone: (989) 894-1111. Providers update this record themselves, so call before visiting.

How can I verify Mark C. Stewart, M.D.'s license?

NPPES lists Michigan license number MS043841, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mark C. Stewart, M.D. prescribe under Medicare Part D?

In 2024, Mark C. Stewart, M.D. had 232 Medicare Part D claims for 96 beneficiaries; the average among sports medicine (neuromusculoskeletal medicine) physician prescribers was 965. Part D covers Medicare prescriptions only.

What is Mark C. Stewart, M.D.'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.