Timothy M. Jest, M.D.
NPI 1538274022ActiveIndividual· Internal Medicine· Brookfield, WI
Internal Medicine (M.D.) in Brookfield, Wisconsin, trained at Medical College of Wisconsin (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $390,310 for 6,182 claims, against $52,453 paid for services in 2024. Merck Sharp & Dohme LLC reported $25.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538274022 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25306 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 1,949 across 33 procedure codes |
| Paid by Medicare | $52,453 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,182 · 14,820 30-day fills |
|---|---|
| Patients | 666 |
| Total drug cost | $390,310 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
Other facilities
- Aveanna Home HealthHome health agency · Brookfield, WI
Industry payments (Open Payments)
- 2025$25.33 · 1 payment from 1 company
- 2024$25.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.33 | 1 |
What the 2025 payments were for
- Food and Beverage$25.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 internal medicine physicians in Brookfield · All internal medicine physicians in Wisconsin