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

William X Fischer, MD

Individual provider Family Medicine Physician · NPI 1477514396

William X Fischer, MD is a Family Medicine Physician in Rensselaer, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

2 Empire Dr Ste 100
Rensselaer, NY 12144-5730
Phone: (518) 286-4899
Fax: (518) 286-4859
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 146562 (NY)

Record details

NPI number1477514396
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2006
Last updated in NPPESMarch 24, 2008
Mailing addressPo Box 689, Troy, NY 12181-0689

Other providers in Rensselaer