Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Fischer, MD

Individual provider Internal Medicine Physician · NPI 1821373952

Dr. William Fischer, MD is an Internal Medicine Physician in Bethany, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

312 Litchfield Tpke
Bethany, CT 06524-3537
Phone: (203) 393-3464
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 020091 (CT)

Record details

NPI number1821373952
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 20, 2011
Last updated in NPPESOctober 20, 2011
Mailing address312 Litchfield Tpke, Bethany, CT 06524-3537