Timothy Jest, M.D.
NPI 1538274022 · Internal Medicine Physician · Brookfield, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Jest, M.D. is a Internal Medicine Physician provider in Brookfield, WI (NPI 1538274022).
Provider details
- NPI number
- 1538274022
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25306 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
573 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 190 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 128 | $122 |
| Administration of Influenza Virus VaccineG0008 | 35 | $30 |
| Administration of Pneumococcal VaccineG0009 | 16 | $30 |
| X-Ray of Chest, 2 Views71046 | 13 | $22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 553 | 162 |
| Amlodipine Besylate | 386 | 119 |
| Losartan Potassium | 287 | 85 |
| Lisinopril | 278 | 83 |
| Rosuvastatin Calcium | 209 | 65 |
| Hydrochlorothiazide | 191 | 58 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2023-03-07
Frequently asked questions
- What is Timothy Jest's NPI number?
- Timothy Jest's National Provider Identifier (NPI) is 1538274022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Jest's specialty?
- Timothy Jest is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Jest located?
- Timothy Jest's practice location on file with NPPES is 13950 W Capitol Dr, Brookfield, WI 53005-2441.
- What is Timothy Jest's phone number?
- The practice phone number listed in the NPPES registry for Timothy Jest is (414) 302-5400.
- Does Timothy Jest accept Medicare?
- Timothy Jest is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Jest's NPI active?
- Yes — Timothy Jest's NPI (1538274022) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.