William Fischer, M.D.
Internal Medicine Physician · Bethany, CT
William Fischer, M.D. is an internal medicine physician with a practice address in Bethany, Connecticut, and NPI 1821373952, issued on Oct 20, 2011. Check the license (Connecticut 020091, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Fischer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 020091 CT
Self-reported in NPPES; status is on the state search - Practice location
- 312 Litchfield Tpke, Bethany, CT 06524
- Phone
- (203) 393-3464
- Enumerated
- Oct 20, 2011
- Record last updated
- Oct 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify William Fischer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 020091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 internal medicine physician records list a practice address in Bethany
They are 1 of the 42 NPPES records with a practice address in Bethany, and 2,623 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is William Fischer, M.D.'s NPI number?
William Fischer, M.D.'s National Provider Identifier (NPI) is 1821373952, issued on Oct 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Fischer, M.D. located?
The NPPES record lists a practice address at 312 Litchfield Tpke, Bethany, CT, 06524. Phone: (203) 393-3464. Providers update this record themselves, so call before visiting.
How can I verify William Fischer, M.D.'s license?
NPPES lists Connecticut license number 020091, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. 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.