Marjorie A. Dimaggio, MD
Geriatric Medicine (Internal Medicine) Physician · Madison, WI
Marjorie A. Dimaggio, MD is a geriatric medicine (internal medicine) physician with a practice address in Madison, Wisconsin, and NPI 1164476388, issued on May 20, 2006. Check the license (Wisconsin 33717, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marjorie A. Dimaggio
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 33717 WI
33717-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1821 S Stoughton RD, Madison, WI 53716
- Phone
- (608) 260-6000
- Enumerated
- May 20, 2006
- Record last updated
- May 18, 2022
- Fax
- (608) 260-6451
- Medicaid ID
- 1164476388 WI
- Medicare enrollment
- Enrolled (PECOS I20100527000526); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 110 in Wisconsin → Look up another NPI →
Also registered at 1821 S Stoughton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zachary Barber, PTPhysical Therapist1609054212
Verify Marjorie A. Dimaggio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
399 Medicare Part D claims for 46 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Metoprolol Tartrate31 claims
- Eliquis24 claims
- Levothyroxine Sodium20 claims
- Lisinopril19 claims
- Atorvastatin Calcium16 claims
- Omeprazole15 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.
Bills Medicare through one group practice
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marjorie A. Dimaggio among 110 geriatric medicine (internal medicine) physician records in Wisconsin
Marjorie A. Dimaggio, MD is one of 110 geriatric medicine (internal medicine) physician records with a practice address in Wisconsin. 76% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1991 · median 2006 among the 55 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Wisconsin
There are 110 geriatric medicine (internal medicine) physician records in Wisconsin.
All 110 in Wisconsin → Every provider in Madison → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Amy Daley, MDMadison, WI 537151952348278
- Elizabeth Fleming, MDMadison, WI 537171295028876
- Sophie Kramer, MDMadison, WI 537151457307449
- Shenikqua Bouges, MDMadison, WI 537181639597099
- Amna Buttar, MDMadison, WI 537181396799094
- David Deemer, MDMadison, WI 537181528646189
- Nimira JinaMadison, WI 537181447632815
- Molly Magen, DOMadison, WI 537181427687755
Common questions
What is Marjorie A. Dimaggio, MD's NPI number?
Marjorie A. Dimaggio, MD's National Provider Identifier (NPI) is 1164476388, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marjorie A. Dimaggio, MD located?
The NPPES record lists a practice address at 1821 S Stoughton RD, Madison, WI, 53716. Phone: (608) 260-6000. Providers update this record themselves, so call before visiting.
How can I verify Marjorie A. Dimaggio, MD's license?
NPPES lists Wisconsin license number 33717, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marjorie A. Dimaggio, MD prescribe under Medicare Part D?
In 2024, Marjorie A. Dimaggio, MD had 399 Medicare Part D claims for 46 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
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.