Ralph Messo, D.O.
NPI 1255309175 · Internal Medicine Physician · Staten Island, NY
Ralph Messo, D.O. is a Internal Medicine Physician provider in Staten Island, NY (NPI 1255309175).
Provider details
- NPI number
- 1255309175
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 184376 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2007-09-05
Frequently asked questions
- What is Ralph Messo's NPI number?
- Ralph Messo's National Provider Identifier (NPI) is 1255309175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Messo's specialty?
- Ralph Messo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Messo located?
- Ralph Messo's practice location on file with NPPES is 4143 Richmond Ave, Staten Island, NY 10312-5637.
- What is Ralph Messo's phone number?
- The practice phone number listed in the NPPES registry for Ralph Messo is (718) 966-5556.
- Is Ralph Messo's NPI active?
- Yes — Ralph Messo's NPI (1255309175) is active in the NPPES registry as of the last update on 2007-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.