David Alexander Deemer, MD
NPI 1528646189ActiveIndividual· Internal Medicine, Geriatric Medicine· Madison, WI
Internal Medicine, Geriatric Medicine (MD) in Madison, Wisconsin, trained at Loma Linda University School of Medicine (class of 2021). Part D covered 166 prescriptions written in 2024, 84% of them generic.
Overview
| NPI | 1528646189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2021 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Jul 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 81227 | WI |
| Internal Medicine, Hospice and Palliative Medicine | 207RH0002X | 81227 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | 81227-20 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 166 · 243 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $16,450 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliation
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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