Thomas Willett, D.O.
NPI 1902806243 · Family Medicine Physician · Green Lake, WI
Thomas Willett, D.O. is a Family Medicine Physician provider in Green Lake, WI (NPI 1902806243).
Provider details
- NPI number
- 1902806243
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17659 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 125 | 40 |
| Losartan Potassium | 47 | 16 |
| Atorvastatin Calcium | 47 | 11 |
| Lorazepam | 42 | — |
| Metoprolol Succinate | 38 | 14 |
| Amlodipine Besylate | 38 | 13 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
- 2005-07-28
- Last updated
- 2009-12-31
Frequently asked questions
- What is Thomas Willett's NPI number?
- Thomas Willett's National Provider Identifier (NPI) is 1902806243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Willett's specialty?
- Thomas Willett is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Willett located?
- Thomas Willett's practice location on file with NPPES is N6205 Busse Rd, Green Lake, WI 54941-8500.
- What is Thomas Willett's phone number?
- The practice phone number listed in the NPPES registry for Thomas Willett is (920) 294-3444.
- Is Thomas Willett's NPI active?
- Yes — Thomas Willett's NPI (1902806243) is active in the NPPES registry as of the last update on 2009-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.