DR. ALEXANDRA O GIL PSYD, NCSP
NPI 1891455671
Psychologist in Denville, NJ

Active since December 21, 2021PECOS Enrolled
58 OLD BOONTON RD, DENVILLE, NJ 07834(973) 900-1413 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 21, 2026, Mar 31, 2026, Dec 21, 2021 (3 updates tracked since 2021).

About Dr. Alexandra O Gil Psyd, Ncsp NPPES

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

DR. ALEXANDRA O GIL PSYD, NCSP (NPI 1891455671) is an individual psychologist in Denville, New Jersey, licensed in New Jersey (35SI00806900) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1891455671
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ALEXANDRA O GILCredential: PSYD, NCSP
Location Address58 OLD BOONTON RDDenville, NJ 07834-2920
Mailing Address252 Broad StRed Bank, NJ 07701-2012
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 21, 2021
Last NPPES UpdateApril 21, 20263 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1891455671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in NJ · 35SI00806900
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.
Also ListedPsychologist · SchoolTaxonomy 103TS0200X
58 OLD BOONTON RD, Denville, NJ 07834

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra O Gil Psyd, Ncsp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517421290
PECOS Enrollment IDI20260714001976
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexandra Gil reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children
200 SOMERSET ST
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 127 clinicians in this Medicare group

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 Alexandra Gil's NPI number?

The NPI number for Alexandra Gil is 1891455671. It was assigned to this individual provider in the NPPES registry on December 21, 2021.

Where is Alexandra Gil located?

Alexandra Gil practices at 58 Old Boonton Rd, Denville, NJ 07834. The listed phone number is (973) 900-1413.

What is Alexandra Gil's specialty?

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

Is Alexandra Gil enrolled in Medicare?

Yes. Alexandra Gil is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexandra Gil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Gil reassigns Medicare benefits to Children's Specialized Hospital (New Brunswick, NJ). The 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 Alexandra Gil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Gil accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Alexandra Gil as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexandra Gil was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.