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

Individual provider Registered Nurse · NPI 1558818799

Mark Tristan Mariano Deguzman, FNP is a Registered Nurse in Bronx, New York. Practices as a sole proprietor and works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2016
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

3144 3rd Ave
Bronx, NY 10451-4629
Phone: (212) 271-7200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1575 Lexington Avenue, Manhattan, NY 10029-6214 — (703) 508-8730

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 341549 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 691581 (NY)

Record details

NPI number1558818799
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedSeptember 6, 2016
Last updated in NPPESMarch 13, 2025
Certification dateMarch 13, 2025

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