John Demarco, RPAC
NPI 1487728119 · Physician Assistant · Smithtown, NY
John Demarco, RPAC is a Physician Assistant provider in Smithtown, NY (NPI 1487728119).
Provider details
- NPI number
- 1487728119
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPAC
- Sex
- Male
- Sole proprietor
- No
- License
- 007135 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-11-17
- Last updated
- 2008-03-11
Frequently asked questions
- What is John Demarco's NPI number?
- John Demarco's National Provider Identifier (NPI) is 1487728119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Demarco's specialty?
- John Demarco is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Demarco located?
- John Demarco's practice location on file with NPPES is 290 E Main St, Smithtown, NY 11787-2916.
- What is John Demarco's phone number?
- The practice phone number listed in the NPPES registry for John Demarco is (631) 361-4802.
- Is John Demarco's NPI active?
- Yes — John Demarco's NPI (1487728119) is active in the NPPES registry as of the last update on 2008-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.