John J Messina, MD, PC
NPI 1972754752 · Pediatric Cardiology Physician · Paterson, NJ
John J Messina, MD, PC is a Pediatric Cardiology Physician organization in Paterson, NJ (NPI 1972754752).
Provider details
- NPI number
- 1972754752
- Entity type
- Organization
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Diane Merolla, Office Manager(908) 806-8224
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-10-09
- Last updated
- 2008-10-09
Frequently asked questions
- What is John J Messina, MD, PC's NPI number?
- John J Messina, MD, PC's National Provider Identifier (NPI) is 1972754752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John J Messina, MD, PC?
- John J Messina, MD, PC is classified in the NPPES registry as Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is John J Messina, MD, PC located?
- John J Messina, MD, PC's practice location on file with NPPES is 703 Main St, Paterson, NJ 07503-2621.
- What is John J Messina, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for John J Messina, MD, PC is (973) 754-2529.
- Who is the authorized official for John J Messina, MD, PC?
- The authorized official listed on John J Messina, MD, PC's NPPES record is Diane Merolla, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John J Messina, MD, PC's NPI active?
- Yes — John J Messina, MD, PC's NPI (1972754752) is active in the NPPES registry as of the last update on 2008-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.