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

Sergio A Castillo, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1265460547

Sergio A Castillo, MD is a Critical Care Medicine (Internal Medicine) Physician in Schenectady, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
Specialties on file
2
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

1101 Nott St
Schenectady, NY 12308-2425
Phone: (518) 243-1916
Fax: (518) 243-1853
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 176200 (NY)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 176200 (NY)

Record details

NPI number1265460547
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESNovember 15, 2010
Mailing address600 McClellan St, 2 West, Schenectady, NY 12304-1009

Other providers in Schenectady