William H. Singer, MD
Anesthesiology Physician · Winchester, VA
William H. Singer, MD is an anesthesiology physician with a practice address in Winchester, Virginia, and NPI 1548233554, issued on Feb 9, 2006. Check the license (Virginia 0101235495, as entered in NPPES) on the Virginia Department of Health Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William H. Singer
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 0101235495 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1840 Amherst Street, Winchester, VA 22601
- Phone
- (540) 536-8000
- Enumerated
- Feb 9, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,453 in Virginia → Look up another NPI →
Also registered at 1840 Amherst Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charles Hagan, MDAnesthesiology Physician1992777569
- David McLellan, MDAnesthesiology Physician1629041694
- Ramsey Sfeir, MDAnesthesiology Physician1023083490
Verify William H. Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101235495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William H. Singer among 1,453 anesthesiology physician records in Virginia
William H. Singer, MD is one of 1,453 anesthesiology physician records with a practice address in Virginia. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 48% newer
- In a Medicare fileNo · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 anesthesiology physician records list a practice address in Winchester
They are 48 of the 2,762 NPPES records with a practice address in Winchester, and 1,453 anesthesiology physician records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,453 in Virginia → Every provider in Winchester → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Richard Creasy, MDWinchester, VA 226011992782445
- John Davis, MDWinchester, VA 226011093793382
- Andrew Dennard, M.D.Winchester, VA 226011487635785
- Kevin Galvin, M.D.Winchester, VA 226011336134881
- Charles Hagan, MDWinchester, VA 226011992777569
- Gregory Harris, MDWinchester, VA 226011629041637
- Nelson Isenhower, MDWinchester, VA 226011841262615
- David Kliewer, MDWinchester, VA 226011801861281
Common questions
What is William H. Singer, MD's NPI number?
William H. Singer, MD's National Provider Identifier (NPI) is 1548233554, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William H. Singer, MD located?
The NPPES record lists a practice address at 1840 Amherst Street, Winchester, VA, 22601. Phone: (540) 536-8000. Providers update this record themselves, so call before visiting.
How can I verify William H. Singer, MD's license?
NPPES lists Virginia license number 0101235495, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.