William Fabian, PH.D.
NPI 1073675203 · Clinical Psychologist · Washington, DC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fabian, PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1073675203).
Provider details
- NPI number
- 1073675203
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 1350 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2006-12-14
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Fabian's NPI number?
- William Fabian's National Provider Identifier (NPI) is 1073675203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fabian's specialty?
- William Fabian is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Fabian located?
- William Fabian's practice location on file with NPPES is 2440 M St Nw, Washington, DC 20037-1404.
- What is William Fabian's phone number?
- The practice phone number listed in the NPPES registry for William Fabian is (202) 293-9737.
- Does William Fabian accept Medicare?
- William Fabian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fabian's NPI active?
- Yes — William Fabian's NPI (1073675203) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.