Northside Psychology PC
NPI 1124909155 · Clinical Psychologist · Sleepy Hollow, NY
Northside Psychology PC is a Clinical Psychologist organization in Sleepy Hollow, NY (NPI 1124909155).
Provider details
- NPI number
- 1124909155
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- David Mahony, Owner(718) 587-1871
Specialties & taxonomies
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
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)
- 351 Paseo NuevoSanta Barbara, CA 93101-3382Phone: (213) 444-3633
Registry dates
- Enumerated
- 2025-09-08
- Last updated
- 2025-09-08
- Certified
- 2025-08-25
Frequently asked questions
- What is Northside Psychology PC's NPI number?
- Northside Psychology PC's National Provider Identifier (NPI) is 1124909155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northside Psychology PC?
- Northside Psychology PC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Northside Psychology PC located?
- Northside Psychology PC's practice location on file with NPPES is 16 Kingsland Rd, Sleepy Hollow, NY 10591-1022.
- What is Northside Psychology PC's phone number?
- The practice phone number listed in the NPPES registry for Northside Psychology PC is (213) 444-3633.
- Who is the authorized official for Northside Psychology PC?
- The authorized official listed on Northside Psychology PC's NPPES record is David Mahony, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northside Psychology PC's NPI active?
- Yes — Northside Psychology PC's NPI (1124909155) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.