Thomas Williams, D.O.
NPI 1659479061 · Family Medicine Physician · Milan, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Williams, D.O. is a Family Medicine Physician provider in Milan, MO (NPI 1659479061).
Provider details
- NPI number
- 1659479061
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 109395 (MO)
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
19 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 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 243 | 52 |
| Tramadol Hcl | 211 | 54 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 199 | 30 |
| Omeprazole | 162 | 33 |
| Levothyroxine Sodium | 143 | 21 |
| Atorvastatin Calcium | 142 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 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
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2009-01-09
Frequently asked questions
- What is Thomas Williams's NPI number?
- Thomas Williams's National Provider Identifier (NPI) is 1659479061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Williams's specialty?
- Thomas Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Williams located?
- Thomas Williams's practice location on file with NPPES is 630 W 3rd St, Milan, MO 63556-1076.
- What is Thomas Williams's phone number?
- The practice phone number listed in the NPPES registry for Thomas Williams is (660) 265-4212.
- Does Thomas Williams accept Medicare?
- Thomas Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Williams's NPI active?
- Yes — Thomas Williams's NPI (1659479061) is active in the NPPES registry as of the last update on 2009-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.