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WARREN LEIB PHD
NPI 1962506253
Clinical Neuropsychologist in Wethersfield, CT

Active since September 08, 2006Opted out of Medicare · through Jul 1, 2028
91 HILLCREST AVENUE, WETHERSFIELD, CT 06109(860) 563-5330(860) 529-9218 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Warren Leib Phd NPPES

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

WARREN LEIB PHD (NPI 1962506253) is an individual clinical neuropsychologist in Wethersfield, Connecticut, licensed in Connecticut (540) and active in the NPI registry since September 2006. He has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1962506253
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameWARREN LEIBCredential: PHD
Location Address91 HILLCREST AVENUEWethersfield, CT 06109
Mailing Address91 Hillcrest AvenueWethersfield, CT 06109 · (860) 563-5330 · Fax (860) 529-9218
Phone(860) 563-5330
Fax(860) 529-9218
Sole ProprietorNo
Enumeration DateSeptember 8, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1962506253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in CT · 540
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologistTaxonomy 103T00000X · License 540 (CT)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Warren Leib Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2016 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2016
Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Warren Leib's NPI number?

The NPI number for Warren Leib is 1962506253. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Where is Warren Leib located?

Warren Leib practices at 91 Hillcrest Avenue, Wethersfield, CT 06109. The listed phone number is (860) 563-5330.

What is Warren Leib's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Warren Leib enrolled in Medicare?

No. Warren Leib has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Warren Leib was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.