DR. HENRY A WILLIS PHD
NPI 1275154577
Psychologist - Clinical in Washington, DC

Q: What is Henry Willis's NPI number?

The NPI number for Henry Willis is 1275154577. It was assigned to this individual provider in the NPPES registry on April 28, 2020.

Q: What is Henry Willis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Henry Willis was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since April 28, 2020

3801 GEORGIA AVE NW APT 303, WASHINGTON, DC 20011(601) 214-7193 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2025, Jun 21, 2025 (2 updates tracked since 2025).

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About Dr. Henry A Willis Phd NPPES

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

DR. HENRY A WILLIS PHD (NPI 1275154577) is an individual clinical provider in Washington, District Of Columbia, licensed in New York (025791) and active in the NPI registry since April 2020.

NPPES Registry Identity

NPI1275154577

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. HENRY A WILLISCredential: PHD

Location Address3801 GEORGIA AVE NW APT 303Washington, DC 20011-5899

Mailing Address3801 Georgia Ave Nw Apt 303Washington, DC 20011-5899 · (601) 214-7193

Phone(601) 214-7193

Sole ProprietorYes

Enumeration DateApril 28, 2020

Last NPPES UpdateJuly 7, 20252 updates tracked since enumeration

NPPES CertifiedJuly 7, 2025

✔ NPI 1275154577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Licenses✔ Licensed in NY · 025791✔ Licensed in MD · 07423

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.

3801 GEORGIA AVE NW APT 303, Washington, DC 20011

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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 Henry Willis's NPI number?

The NPI number for Henry Willis is 1275154577. It was assigned to this individual provider in the NPPES registry on April 28, 2020.

Where is Henry Willis located?

Henry Willis practices at 3801 Georgia Ave NW Apt 303, Washington, DC 20011. The listed phone number is (601) 214-7193.

What is Henry Willis'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 Henry Willis was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.