Henry Willis, PHD
NPI 1275154577 · Clinical Psychologist · Washington, DC
Henry Willis, PHD is a Clinical Psychologist provider in Washington, DC (NPI 1275154577).
Provider details
- NPI number
- 1275154577
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 07423 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-28
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Henry Willis's NPI number?
- Henry Willis's National Provider Identifier (NPI) is 1275154577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Willis's specialty?
- Henry Willis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Henry Willis located?
- Henry Willis's practice location on file with NPPES is 3801 Georgia Ave Nw Apt 303, Washington, DC 20011-5899.
- What is Henry Willis's phone number?
- The practice phone number listed in the NPPES registry for Henry Willis is (601) 214-7193.
- Is Henry Willis's NPI active?
- Yes — Henry Willis's NPI (1275154577) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.