David Alexander Deemer, MD
Geriatric Medicine (Internal Medicine) Physician · Madison, WI
David Alexander Deemer, MD is a geriatric medicine (internal medicine) physician with a practice address in Madison, Wisconsin, and NPI 1528646189, issued on Apr 1, 2021. Check the license (Wisconsin 81227, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Alexander Deemer
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 81227 WI
81227-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5249 E Terrace Dr, Madison, WI 53718
- Phone
- (608) 265-1210
- Enumerated
- Apr 1, 2021
- Record last updated
- Jul 23, 2026
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 110 in Wisconsin → Look up another NPI →
Also registered at 5249 E Terrace Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Candye Andrus, MDPediatrics Physician1942247226
- Molly Barrie, APNPNurse Practitioner1972977395
- Kyla Bertschinger, PT, DPTPhysical Therapist1164316543
- Renee Bobb, NPNurse Practitioner1962894121
- Jillian Bodden Hoenisch, DNP, AGPCNP-BC, APNPPrimary Care Nurse Practitioner1871145367
- Marcia Bolles, PA-CPhysician Assistant1003198029
Verify David Alexander Deemer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
166 Medicare Part D claims for 27 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of 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.
David Alexander Deemer among 110 geriatric medicine (internal medicine) physician records in Wisconsin
David Alexander Deemer, 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 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
- Shenikqua Bouges, MDMadison, WI 537181639597099
- Amna Buttar, MDMadison, WI 537181396799094
- Nimira JinaMadison, WI 537181447632815
- Molly Magen, DOMadison, WI 537181427687755
- Michael Siebers, MDMadison, WI 537181720049562
- Katherine Wang, MDMadison, WI 537181881993624
- Elizabeth Fleming, MDMadison, WI 537171295028876
- Marjorie Dimaggio, MDMadison, WI 537161164476388
Common questions
What is David Alexander Deemer, MD's NPI number?
David Alexander Deemer, MD's National Provider Identifier (NPI) is 1528646189, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Alexander Deemer, MD located?
The NPPES record lists a practice address at 5249 E Terrace Dr, Madison, WI, 53718. Phone: (608) 265-1210. Providers update this record themselves, so call before visiting.
How can I verify David Alexander Deemer, MD's license?
NPPES lists Wisconsin license number 81227, 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 David Alexander Deemer, MD prescribe under Medicare Part D?
In 2024, David Alexander Deemer, MD had 166 Medicare Part D claims for 27 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.