1. Home
  2. Directory
  3. Delaware
  4. Lewes
  5. Psychologist
  6. NPI Profile

DR. JOHN P BILLIG PH.D., ABPP
NPI 1619992658
Psychologist - Clinical in Lewes, DE

Active since July 12, 2006
26049 KIELBASA CT, LEWES, DE 19958(612) 590-5847 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John P Billig Ph.d., Abpp NPPES

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

DR. JOHN P BILLIG PH.D., ABPP (NPI 1619992658) is an individual clinical provider in Lewes, Delaware, licensed in Delaware (B1-0011405) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1619992658
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JOHN P BILLIGCredential: PH.D., ABPP
Location Address26049 KIELBASA CTLewes, DE 19958-7028
Mailing Address26049 Kielbasa CtLewes, DE 19958-7028 · (612) 590-5847
Phone(612) 590-5847
Sole ProprietorYes
Enumeration DateJuly 12, 2006
Last NPPES UpdateMarch 11, 2025
NPPES CertifiedMarch 11, 2025
✔ NPI 1619992658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in DE · B1-0011405
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
26049 KIELBASA CT, Lewes, DE 19958
Open in Google Maps ↗

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 John Billig's NPI number?

The NPI number for John Billig is 1619992658. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is John Billig located?

John Billig practices at 26049 Kielbasa Ct, Lewes, DE 19958. The listed phone number is (612) 590-5847.

What is John Billig's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Billig was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.