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

Dr. Dennis Tobias Tansiongco, MD

Individual provider Adolescent Medicine (Internal Medicine) Physician · NPI 1174588040

Dr. Dennis Tobias Tansiongco, MD is an Adolescent Medicine (Internal Medicine) Physician in Plainview, 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

1425 Old Country Rd
Plainview, NY 11803-5010
Phone: (516) 694-6008
Fax: (516) 694-6223
Show map & directions

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

Specialties & licences

Adolescent Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0000X · Licence 193133 (NY)

Record details

NPI number1174588040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2006
Last updated in NPPESJuly 13, 2026

Other providers in Plainview