Marilynn S. Dewald, M.D.
Family Medicine Physician · Houghton, MI
Marilynn S. Dewald, M.D. is a family medicine physician with a practice address in Houghton, Michigan, and NPI 1548262702, issued on Jun 1, 2005. Check the license (Michigan 4301056759, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Marilynn S. Dewald
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301056759 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Cedar St, Houghton, MI 49931
- Phone
- (906) 487-1710
- Enumerated
- Jun 1, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (906) 487-9421
- Medicaid ID
- 2668377 MI
- Medicare enrollment
- Enrolled (PECOS I20090609000035); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1987
- Entity
- Type 1 · individual
Also registered at 1000 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Baril, PTPhysical Therapist1588992788
- Derek Bustos, P.T.Physical Therapist1518355494
- Sandra Coppo, MSWSocial Worker1245057611
- Blake Dupuis, PT, DPTPhysical Therapist1588355739
- Sharon Fisher, OTOccupational Therapist1821326174
- Peggy Groeneveld, PHARMDPharmacist1356972020
Verify Marilynn S. Dewald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301056759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,679 Medicare Part D claims for 491 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 295 claims were for opioids.
Most prescribed
- Levothyroxine Sodium572 claims
- Losartan Potassium435 claims
- Atorvastatin Calcium362 claims
- Amlodipine Besylate342 claims
- Omeprazole317 claims
- Metoprolol Succinate292 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 practice group's MIPS final score for 2023 (Medicare payment program): 97.2 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).
Bills Medicare through one group practice
- Aspirus KeweenawHoughton, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 family medicine physician records list a practice address in Houghton
They are 8 of the 225 NPPES records with a practice address in Houghton, and 6,013 family medicine physician records in Michigan.
All 8 in Houghton → All 6,013 in Michigan → Every provider in Houghton →
Other family medicine physician records in Michigan
- Asma AbbasHamtramck, MI1982946463
- Saadia Abbas, MDChesterfield, MI1619136868
- Faezeh AbbasiMonroe, MI1144065921
- Layla Abbasi, MDWayne, MI1346177607
- Marisa Abbo, DORochester Hills, MI1184605388
- Cathleen Abbott, M.D.East Lansing, MI1275630501
- Leah Abbott, MDGwinn, MI1760987341
- Nina Abboud, DORochester Hills, MI1639750557
- Ryan Abboud, DOBingham Farms, MI1104353077
- Christina Abd, MDSterling Heights, MI1770371965
Common questions
What is Marilynn S. Dewald, M.D.'s NPI number?
Marilynn S. Dewald, M.D.'s National Provider Identifier (NPI) is 1548262702, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marilynn S. Dewald, M.D. located?
The NPPES record lists a practice address at 1000 Cedar St, Houghton, MI, 49931. Phone: (906) 487-1710. Providers update this record themselves, so call before visiting.
How can I verify Marilynn S. Dewald, M.D.'s license?
NPPES lists Michigan license number 4301056759, 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.
How much does Marilynn S. Dewald, M.D. prescribe under Medicare Part D?
In 2024, Marilynn S. Dewald, M.D. had 10,679 Medicare Part D claims for 491 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Marilynn S. Dewald, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.2 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.