Timothy Thompson, MD
NPI 1689781791 · Internal Medicine Physician · West Allis, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Thompson, MD is a Internal Medicine Physician provider in West Allis, WI (NPI 1689781791).
Provider details
- NPI number
- 1689781791
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40642-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 301 | 145 |
| Levothyroxine Sodium | 203 | 89 |
| Lisinopril | 178 | 83 |
| Losartan Potassium | 168 | 86 |
| Amlodipine Besylate | 159 | 75 |
| Gabapentin | 157 | 59 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$324 across 15 records (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
Additional practice locations (2)
- 600 Nw 11th St Ste E37Hermiston, OR 97838-8604Phone: (541) 567-5305Fax: (541) 667-3487
- N2950 State Road 67Lake Geneva, WI 53147-2655Phone: (262) 245-0535Fax: (262) 245-2248
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Timothy Thompson's NPI number?
- Timothy Thompson's National Provider Identifier (NPI) is 1689781791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Thompson's specialty?
- Timothy Thompson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Thompson located?
- Timothy Thompson's practice location on file with NPPES is 7450 W Oklahoma Ave, West Allis, WI 53219-2860.
- What is Timothy Thompson's phone number?
- The practice phone number listed in the NPPES registry for Timothy Thompson is (414) 414-8601.
- Does Timothy Thompson accept Medicare?
- Timothy Thompson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Thompson's NPI active?
- Yes — Timothy Thompson's NPI (1689781791) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.