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

Mr. John Marrero, RN

Individual provider Psychosomatic Medicine Physician · NPI 1174300115

Mr. John Marrero, RN is a Psychosomatic Medicine Physician in Smithtown, New York. Licensed in New York. Registered with an NPI since 2023.

Licensed in
NY
In the registry since
2023
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

20 Weston Ln
Smithtown, NY 11787-2422
Phone: (516) 325-8735
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychosomatic Medicine Physician (primary) Taxonomy 2084P0015X · Licence 720835 (NY)

Record details

NPI number1174300115
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedSeptember 13, 2023
Last updated in NPPESSeptember 13, 2023
Certification dateSeptember 13, 2023
Mailing address20 Weston Ln, Smithtown, NY 11787-2422

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