William Winter, MD
NPI 1841264942 · Sleep Medicine (Psychiatry & Neurology) Physician · Charlottesville, VA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Winter, MD is a Sleep Medicine (Psychiatry & Neurology) Physician provider in Charlottesville, VA (NPI 1841264942).
Provider details
- NPI number
- 1841264942
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101230577 (VA)
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 tenure25% of score
20 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
650 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 | 529 | $123 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 37 | $213 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 35 | $173 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $161 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 12 | $42 |
| Sleep Study in Sleep Lab (6 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ropinirole Hcl | 151 | 36 |
| Gabapentin | 130 | 33 |
| Modafinil | 116 | 23 |
| Armodafinil | 52 | — |
| Sodium,calcium,mag,pot Oxybatebrand: Xywav | 33 | — |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 31 | — |
| Solriamfetol Hclbrand: Sunosi | 27 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98,635 across 118 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
- 2006-02-15
- Last updated
- 2012-10-09
Frequently asked questions
- What is William Winter's NPI number?
- William Winter's National Provider Identifier (NPI) is 1841264942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Winter's specialty?
- William Winter is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Winter located?
- William Winter's practice location on file with NPPES is 1410 Rolkin Ct, Charlottesville, VA 22911-3574.
- What is William Winter's phone number?
- The practice phone number listed in the NPPES registry for William Winter is (434) 293-9149.
- Does William Winter accept Medicare?
- William Winter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Winter's NPI active?
- Yes — William Winter's NPI (1841264942) is active in the NPPES registry as of the last update on 2012-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.