DR. DOUGLAS LON WILLIAM PH.D.
NPI 1871632489
Psychologist - Clinical Child & Adolescent in Jericho, NY

Q: What is Douglas William's NPI number?

The NPI number for Douglas William is 1871632489. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Q: What is Douglas William's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Q: When was this NPI record last updated?

The NPPES record for Douglas William was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since February 06, 2007

30 FLOWER LN, JERICHO, NY 11753(516) 931-0752 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Douglas Lon William Ph.d. NPPES

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

DR. DOUGLAS LON WILLIAM PH.D. (NPI 1871632489) is an individual clinical child & adolescent provider in Jericho, New York, licensed in New York (6159) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1871632489

Entity TypeIndividualMale

Primary Taxonomy103TC2200X

Provider Legal NameDR. DOUGLAS LON WILLIAMCredential: PH.D.

Location Address30 FLOWER LNJericho, NY 11753-2312

Mailing Address30 Flower LnJericho, NY 11753-2312 · (516) 931-0752

Phone(516) 931-0752

Sole ProprietorYes

Enumeration DateFebruary 6, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1871632489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers

Taxonomy Code103TC2200X

License✔ Licensed in NY · 6159

Definition

A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

30 FLOWER LN, Jericho, NY 11753

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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 Douglas William's NPI number?

The NPI number for Douglas William is 1871632489. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Douglas William located?

Douglas William practices at 30 Flower Ln, Jericho, NY 11753. The listed phone number is (516) 931-0752.

What is Douglas William's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

When was this NPI record last updated?

The NPPES record for Douglas William was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.