Greer G. Melidonis Psy.d. LLC
NPI 1215090600 · Psychologist · Hillsborough, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greer G. Melidonis Psy.d. LLC is a Psychologist organization in Hillsborough, NJ (NPI 1215090600).
Provider details
- NPI number
- 1215090600
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Greer Melidonis, Member/Manager(908) 359-2466
- License
- SI03317 (NJ)
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
Other names (DBA / former)
- Doing business as
- Center for Collaborative Psychology
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2009-01-23
Frequently asked questions
- What is Greer G. Melidonis Psy.d. LLC's NPI number?
- Greer G. Melidonis Psy.d. LLC's National Provider Identifier (NPI) is 1215090600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greer G. Melidonis Psy.d. LLC?
- Greer G. Melidonis Psy.d. LLC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Greer G. Melidonis Psy.d. LLC located?
- Greer G. Melidonis Psy.d. LLC's practice location on file with NPPES is 105 Omni Dr, Hillsborough, NJ 08844-4512.
- What is Greer G. Melidonis Psy.d. LLC's phone number?
- The practice phone number listed in the NPPES registry for Greer G. Melidonis Psy.d. LLC is (908) 359-2466.
- Does Greer G. Melidonis Psy.d. LLC accept Medicare?
- Greer G. Melidonis Psy.d. LLC 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 Greer G. Melidonis Psy.d. LLC?
- The authorized official listed on Greer G. Melidonis Psy.d. LLC's NPPES record is Greer Melidonis, Member/Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greer G. Melidonis Psy.d. LLC's NPI active?
- Yes — Greer G. Melidonis Psy.d. LLC's NPI (1215090600) is active in the NPPES registry as of the last update on 2009-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.