Matthew Slavin, PSY.D., NCSP, LMHC
NPI 1578876983 · Mental Health Counselor · Patchogue, NY
Matthew Slavin, PSY.D., NCSP, LMHC is a Mental Health Counselor provider in Patchogue, NY (NPI 1578876983).
Provider details
- NPI number
- 1578876983
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PSY.D., NCSP, LMHC
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- School Psychologist103TS0200X
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
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2010-07-15
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is Matthew Slavin's NPI number?
- Matthew Slavin's National Provider Identifier (NPI) is 1578876983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Slavin's specialty?
- Matthew Slavin is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Slavin located?
- Matthew Slavin's practice location on file with NPPES is 153 Fairharbor Dr, Patchogue, NY 11772-3333.
- What is Matthew Slavin's phone number?
- The practice phone number listed in the NPPES registry for Matthew Slavin is (917) 270-5341.
- Is Matthew Slavin's NPI active?
- Yes — Matthew Slavin's NPI (1578876983) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.