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Stephen Viola, PH.D.
NPI 1770755613 · School Psychologist · Saint Louis, MO
Stephen Viola, PH.D. is a School Psychologist provider in Saint Louis, MO (NPI 1770755613).
Provider details
- NPI number
- 1770755613
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2020 Washington Ave
#411
Saint Louis, MO 63103-1650
Phone: (314) 588-8975
Street-level locationGet directions
Mailing address
2020 Washington Ave
Saint Louis, MO 63103-1650
Registry dates
- Enumerated
- 2008-04-01
- Last updated
- 2008-04-14
Frequently asked questions
- What is Stephen Viola's NPI number?
- Stephen Viola's National Provider Identifier (NPI) is 1770755613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Viola's specialty?
- Stephen Viola is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Viola located?
- Stephen Viola's practice location on file with NPPES is 2020 Washington Ave, Saint Louis, MO 63103-1650.
- What is Stephen Viola's phone number?
- The practice phone number listed in the NPPES registry for Stephen Viola is (314) 588-8975.
- Is Stephen Viola's NPI active?
- Yes — Stephen Viola's NPI (1770755613) is active in the NPPES registry as of the last update on 2008-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.