IndividualActive
Nancy Mannion
NPI 1811054190 · Psychologist · Rockville Centre, NY
Nancy Mannion is a Psychologist provider in Rockville Centre, NY (NPI 1811054190).
Provider details
- NPI number
- 1811054190
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7039 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
187 Hempstead Ave
187 Hempstead Ave.
Rockville Centre, NY 11570-2906
Phone: (516) 536-0399
Fax: (516) 536-0399
Street-level locationGet directions
Mailing address
187 Hempstead Ave
Rockville Centre, NY 11570-2906
Registry dates
- Enumerated
- 2007-01-03
- Last updated
- 2008-10-02
Frequently asked questions
- What is Nancy Mannion's NPI number?
- Nancy Mannion's National Provider Identifier (NPI) is 1811054190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Mannion's specialty?
- Nancy Mannion is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Nancy Mannion located?
- Nancy Mannion's practice location on file with NPPES is 187 Hempstead Ave, Rockville Centre, NY 11570-2906.
- What is Nancy Mannion's phone number?
- The practice phone number listed in the NPPES registry for Nancy Mannion is (516) 536-0399.
- Is Nancy Mannion's NPI active?
- Yes — Nancy Mannion's NPI (1811054190) is active in the NPPES registry as of the last update on 2008-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.