Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Ralph K. Messo Jr , DO, PC

Organization Internal Medicine Physician · NPI 1184798621

Ralph K. Messo Jr , DO, PC provides Internal Medicine Physician services 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 Not confirmed with CMS for 18 years — call before visiting
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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