Matthew Campbell, PHD
NPI 1841496270 · Clinical Psychologist · Smithtown, NY
Matthew Campbell, PHD is a Clinical Psychologist provider in Smithtown, NY (NPI 1841496270).
Provider details
- NPI number
- 1841496270
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9479 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2007-06-22
- Last updated
- 2010-12-23
Frequently asked questions
- What is Matthew Campbell's NPI number?
- Matthew Campbell's National Provider Identifier (NPI) is 1841496270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Campbell's specialty?
- Matthew Campbell is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Campbell located?
- Matthew Campbell's practice location on file with NPPES is 22 Lawrence Ave Ste 304, Smithtown, NY 11787-3619.
- What is Matthew Campbell's phone number?
- The practice phone number listed in the NPPES registry for Matthew Campbell is (631) 361-6858.
- Is Matthew Campbell's NPI active?
- Yes — Matthew Campbell's NPI (1841496270) is active in the NPPES registry as of the last update on 2010-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.