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

Marc J Bayer, MD

Individual provider Medical Toxicology (Emergency Medicine) Physician · NPI 1598761918

Marc J Bayer, MD is a Medical Toxicology (Emergency Medicine) Physician in Avon, Connecticut. Licensed in Connecticut. Registered with an NPI since 2005.

Licensed in
CT
In the registry since
2005
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

10 Wyndemere
Avon, CT 06001-3959
Phone: (860) 676-1444
Show map & directions

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

Specialties & licences

Medical Toxicology (Emergency Medicine) Physician (primary) Taxonomy 207PT0002X · Licence 032539 (CT)

Record details

NPI number1598761918
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESMarch 20, 2018
Mailing address10 Wyndemere, Avon, CT 06001-3959