Guy Koutouvidis, MSW, LCSW
NPI 1609941814 · Clinical Social Worker · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Koutouvidis, MSW, LCSW is a Clinical Social Worker provider in Port Jefferson, NY (NPI 1609941814).
Provider details
- NPI number
- 1609941814
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- R052825-1 (NY)
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
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
- 2006-11-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Guy Koutouvidis's NPI number?
- Guy Koutouvidis's National Provider Identifier (NPI) is 1609941814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Koutouvidis's specialty?
- Guy Koutouvidis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Guy Koutouvidis located?
- Guy Koutouvidis's practice location on file with NPPES is 14 E Broadway, Port Jefferson, NY 11777-1400.
- What is Guy Koutouvidis's phone number?
- The practice phone number listed in the NPPES registry for Guy Koutouvidis is (631) 642-9525.
- Does Guy Koutouvidis accept Medicare?
- Guy Koutouvidis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Koutouvidis's NPI active?
- Yes — Guy Koutouvidis's NPI (1609941814) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.