IndividualActive
William Singer, MD
NPI 1548233554 · Anesthesiology Physician · Winchester, VA
William Singer, MD is a Anesthesiology Physician provider in Winchester, VA (NPI 1548233554).
Provider details
- NPI number
- 1548233554
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 0101235495 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
1840 Amherst Street
Winchester Medical Center
Winchester, VA 22601
Phone: (540) 536-8000
Street-level locationGet directions
Mailing address
Po Box 3295
Winchester, VA 22604-2495
Registry dates
- Enumerated
- 2006-02-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Singer's NPI number?
- William Singer's National Provider Identifier (NPI) is 1548233554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Singer's specialty?
- William Singer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Singer located?
- William Singer's practice location on file with NPPES is 1840 Amherst Street, Winchester, VA 22601.
- What is William Singer's phone number?
- The practice phone number listed in the NPPES registry for William Singer is (540) 536-8000.
- Is William Singer's NPI active?
- Yes — William Singer's NPI (1548233554) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.