Mary Margaret Dagen, M.D.
Family Medicine Physician · Grand Rapids, MI
Mary Margaret Dagen, M.D. is a family medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1831341130, issued on Oct 17, 2008. Check the license (Michigan 4301090849, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Dagen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301090849 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Lake Dr SE Ste B01, Grand Rapids, MI 49546
- Phone
- (616) 267-7400
- Enumerated
- Oct 17, 2008
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100728000456); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 4100 Lake Dr SE Ste B01
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randall Brady, PAPhysician Assistant1396798542
- Lucas Friedli, DOFamily Medicine Physician1013571207
- Lindsey Hunt, PHDClinical Psychologist1457857203
- Sydney Kelpin, PHDClinical Psychologist1467102244
- Nathan Marlowe, PA-CPhysician Assistant1841829033
- Jenna PrietoPhysician Assistant1194269860
Verify Mary Margaret Dagen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301090849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family medicine physician in 2024
864 Medicare Part D claims for 298 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Topiramate357 claims
- Mounjaro113 claims
- Ozempic104 claims
- Metformin Hcl Er95 claims
- Naltrexone Hcl45 claims
- Trulicity40 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $72,678.10
117 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersGrand Haven, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Dagen among 6,013 family medicine physician records in Michigan
Mary Margaret Dagen, 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. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2008 among the 3,493 with a school on file
- Record last updated2021 · 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.
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
- Gary Bailey, D. O.Grand Rapids, MI 495461245201490
- Elizabeth Brouwer, DOGrand Rapids, MI 495461295788552
- Laura Champion, MDGrand Rapids, MI 495461558314765
- Bradley Clegg, DOGrand Rapids, MI 495461780648139
- William Dukes, MDGrand Rapids, MI 495461154322113
- Steven Dupuis, D.O.Grand Rapids, MI 495461518906130
- Jodi Hamblin, M.D.Grand Rapids, MI 495461366433732
- Kristi Kern, D.O.Grand Rapids, MI 495461003859299
Common questions
What is Mary Margaret Dagen, M.D.'s NPI number?
Mary Margaret Dagen, M.D.'s National Provider Identifier (NPI) is 1831341130, issued on Oct 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Dagen, M.D. located?
The NPPES record lists a practice address at 4100 Lake Dr SE Ste B01, Grand Rapids, MI, 49546. Phone: (616) 267-7400. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Dagen, M.D.'s license?
NPPES lists Michigan license number 4301090849, 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 Mary Margaret Dagen, M.D. prescribe under Medicare Part D?
In 2024, Mary Margaret Dagen, M.D. had 864 Medicare Part D claims for 298 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mary Margaret Dagen, 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.