Carlos Williams, MD
NPI 1669464855 · Neurology Physician · South Hill, VA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Williams, MD is a Neurology Physician provider in South Hill, VA (NPI 1669464855).
Provider details
- NPI number
- 1669464855
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101054817 (VA)
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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 306 | 77 |
| Duloxetine Hcl | 291 | 68 |
| Levetiracetam | 273 | 60 |
| Quetiapine Fumarate | 174 | 39 |
| Topiramate | 132 | 30 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 126 | 30 |
| Primidone | 118 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$338 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
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2009-11-10
Frequently asked questions
- What is Carlos Williams's NPI number?
- Carlos Williams's National Provider Identifier (NPI) is 1669464855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Williams's specialty?
- Carlos Williams is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Williams located?
- Carlos Williams's practice location on file with NPPES is 501 Lombardy St, South Hill, VA 23970-2107.
- What is Carlos Williams's phone number?
- The practice phone number listed in the NPPES registry for Carlos Williams is (434) 447-9033.
- Does Carlos Williams accept Medicare?
- Carlos Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Williams's NPI active?
- Yes — Carlos Williams's NPI (1669464855) is active in the NPPES registry as of the last update on 2009-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.