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Rosemarie O'Brien, R.N.
NPI 1912163056 · Registered Nurse · Port Jefferson Station, NY
Rosemarie O'Brien, R.N. is a Registered Nurse provider in Port Jefferson Station, NY (NPI 1912163056).
Provider details
- NPI number
- 1912163056
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 306521 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(87/100 index)
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
1010 Route 112 Ste 210
Port Jefferson Station, NY 11776-3097
Phone: (631) 473-1200
Street-level locationGet directions
Mailing address
25 Roberta Ave
Farmingville, NY 11738-1456
Registry dates
- Enumerated
- 2008-07-29
- Last updated
- 2008-07-29
Frequently asked questions
- What is Rosemarie O'Brien's NPI number?
- Rosemarie O'Brien's National Provider Identifier (NPI) is 1912163056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemarie O'Brien's specialty?
- Rosemarie O'Brien is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Rosemarie O'Brien located?
- Rosemarie O'Brien's practice location on file with NPPES is 1010 Route 112 Ste 210, Port Jefferson Station, NY 11776-3097.
- What is Rosemarie O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Rosemarie O'Brien is (631) 473-1200.
- Is Rosemarie O'Brien's NPI active?
- Yes — Rosemarie O'Brien's NPI (1912163056) is active in the NPPES registry as of the last update on 2008-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.