Margaret Mulligan Psychologist PLLC
NPI 1790592145 · Mental Health Clinic/Center (Including Community Mental Health Center) · Garden City, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mulligan Psychologist PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Garden City, NY (NPI 1790592145).
Provider details
- NPI number
- 1790592145
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Margaret Mulligan, Psychologist(516) 384-9407
Specialties & taxonomies
Ambulatory Health Care Facilities
- Psychologist103T00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-12-18
- Last updated
- 2024-12-18
- Certified
- 2024-12-17
Frequently asked questions
- What is Margaret Mulligan Psychologist PLLC's NPI number?
- Margaret Mulligan Psychologist PLLC's National Provider Identifier (NPI) is 1790592145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Margaret Mulligan Psychologist PLLC?
- Margaret Mulligan Psychologist PLLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Margaret Mulligan Psychologist PLLC located?
- Margaret Mulligan Psychologist PLLC's practice location on file with NPPES is 67 Hilton Ave, Garden City, NY 11530-2822.
- What is Margaret Mulligan Psychologist PLLC's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mulligan Psychologist PLLC is (516) 384-9407.
- Does Margaret Mulligan Psychologist PLLC accept Medicare?
- Margaret Mulligan Psychologist PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Margaret Mulligan Psychologist PLLC?
- The authorized official listed on Margaret Mulligan Psychologist PLLC's NPPES record is Margaret Mulligan, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Margaret Mulligan Psychologist PLLC's NPI active?
- Yes — Margaret Mulligan Psychologist PLLC's NPI (1790592145) is active in the NPPES registry as of the last update on 2024-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.