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Joseph Viola, PH.D.
NPI 1093061848 · Clinical Psychologist · Washington, DC
Joseph Viola, PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1093061848).
Provider details
- NPI number
- 1093061848
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY1000350 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
5247 Wisconsin Ave Nw
Suite 4
Washington, DC 20015-2012
Phone: (202) 686-7699
Street-level locationGet directions
Mailing address
5247 Wisconsin Ave Nw
Washington, DC 20015-2012
Registry dates
- Enumerated
- 2012-07-31
- Last updated
- 2012-07-31
Frequently asked questions
- What is Joseph Viola's NPI number?
- Joseph Viola's National Provider Identifier (NPI) is 1093061848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Viola's specialty?
- Joseph Viola is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joseph Viola located?
- Joseph Viola's practice location on file with NPPES is 5247 Wisconsin Ave Nw, Washington, DC 20015-2012.
- What is Joseph Viola's phone number?
- The practice phone number listed in the NPPES registry for Joseph Viola is (202) 686-7699.
- Is Joseph Viola's NPI active?
- Yes — Joseph Viola's NPI (1093061848) is active in the NPPES registry as of the last update on 2012-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.