CENTER FOR COLLABORATIVE PSYCHOLOGY
NPI 1215090600
Psychologist in Hillsborough, NJ

Active since December 18, 2006
105 OMNI DR, CENTER FOR COLLABORATIVE PSYCHOLOGY, PA, HILLSBOROUGH, NJ 08844(908) 359-2466(908) 359-0746 Get Directions Write a Review

NPPES record last updated: January 23, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Center For Collaborative Psychology NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CENTER FOR COLLABORATIVE PSYCHOLOGY (NPI 1215090600) is a healthcare organization registered as a psychologist in Hillsborough, New Jersey and active in the NPI registry since December 2006. The organization lists Greer Grierson Melidonis, Member/manager, as its authorized official.

NPPES Registry Identity

NPI1215090600
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameGREER G. MELIDONIS PSY.D. LLC
Location Address105 OMNI DR, CENTER FOR COLLABORATIVE PSYCHOLOGY, PAHillsborough, NJ 08844-4512
Mailing Address105 Omni Dr, Center For Collaborative Psychology, PaHillsborough, NJ 08844-4512 · (908) 359-2466 · Fax (908) 359-0746
Fax(908) 359-0746
Organization SubpartNo
Authorized OfficialGreer Grierson MelidonisMember/manager · (908) 359-2466
Enumeration DateDecember 18, 2006
Last NPPES UpdateJanuary 23, 2009
✔ NPI 1215090600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in NJ · SI03317
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
105 OMNI DR, Hillsborough, NJ 08844

Other Names 1

Doing Business AsCenter For Collaborative Psychology

Other Identifiers 1

Medicare UPIN122830NJ

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Center For Collaborative Psychology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew JerseyEnrollment IDO20110303000048Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Center For Collaborative Psychology, which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1235240607
105 OMNI DR CENTER FOR COLLABORATIVE PSYCHOLOGY
Hillsborough, NJ 08844
(908) 359-2466
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Greer G. Melidonis Psy.D. LLC's NPI number?

The NPI number for Greer G. Melidonis Psy.D. LLC is 1215090600. It was assigned to this organization in the NPPES registry on December 18, 2006. The provider is doing business as Center For Collaborative Psychology.

Where is Greer G. Melidonis Psy.D. LLC located?

Greer G. Melidonis Psy.D. LLC is located at 105 Omni Dr Center For Collaborative Psychology, PA, Hillsborough, NJ 08844. The listed phone number is (908) 359-2466.

What is Greer G. Melidonis Psy.D. LLC's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Greer G. Melidonis Psy.D. LLC enrolled in Medicare?

Yes. Greer G. Melidonis Psy.D. LLC is registered in the Medicare PECOS enrollment system.

When is Greer G. Melidonis Psy.D. LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Jersey, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Greer G. Melidonis Psy.D. LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Greer G. Melidonis Psy.D. LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Greer G. Melidonis Psy.D. LLC was last updated on January 23, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.