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

Ralph K. Messo Jr , DO, PC

Organization Internal Medicine Physician · NPI 1184798621

Ralph K. Messo Jr , DO, PC is an Internal Medicine Physician in Staten Island, 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?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4143 Richmond Ave
Staten Island, NY 10312-5637
Phone: (718) 966-5556
Fax: (718) 966-7483
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 184376 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 184376 (NY)

Record details

NPI number1184798621
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ralph Messo — Physician · (718) 966-5556
NPI enumeratedNovember 17, 2006
Last updated in NPPESJanuary 24, 2008
Mailing address4143 Richmond Ave, Staten Island, NY 10312-5637

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