Colleen Gilligan
NPI 1821370800 · Professional Counselor · Commack, NY
Colleen Gilligan is a Professional Counselor provider in Commack, NY (NPI 1821370800).
Provider details
- NPI number
- 1821370800
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1841 Brentwood RdBrentwood, NY 11717-4625Phone: (631) 853-7300Fax: (631) 853-7301
Registry dates
- Enumerated
- 2011-09-15
- Last updated
- 2020-03-02
- Certified
- 2020-03-02
Frequently asked questions
- What is Colleen Gilligan's NPI number?
- Colleen Gilligan's National Provider Identifier (NPI) is 1821370800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Gilligan's specialty?
- Colleen Gilligan is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Colleen Gilligan located?
- Colleen Gilligan's practice location on file with NPPES is 2171 Jericho Tpke Ste Ll3, Commack, NY 11725-2900.
- What is Colleen Gilligan's phone number?
- The practice phone number listed in the NPPES registry for Colleen Gilligan is (631) 603-5002.
- Is Colleen Gilligan's NPI active?
- Yes — Colleen Gilligan's NPI (1821370800) is active in the NPPES registry as of the last update on 2020-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.