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

Dr. Guillermo Santiago, MD

Individual provider Psychiatry Physician · NPI 1295803526

Dr. Guillermo Santiago, MD is a Psychiatry Physician in New York, 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

1901 1st Ave
New York, NY 10029-7404 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 423-7151
Fax: (212) 423-8604
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 153535 (NY)

Record details

NPI number1295803526
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 8, 2007

Other providers in New York