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Gustave Sison, PHD
NPI 1073531919 · Clinical Psychologist · Biloxi, MS
Gustave Sison, PHD is a Clinical Psychologist provider in Biloxi, MS (NPI 1073531919).
Provider details
- NPI number
- 1073531919
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 26 353 (MS)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
400 Veterans Ave
(116b)
Biloxi, MS 39531-2410
Phone: (228) 523-4762
Fax: (228) 523-4768
Street-level locationGet directions
Mailing address
730 Parkwood Dr
Long Beach, MS 39560-3850
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gustave Sison's NPI number?
- Gustave Sison's National Provider Identifier (NPI) is 1073531919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustave Sison's specialty?
- Gustave Sison is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gustave Sison located?
- Gustave Sison's practice location on file with NPPES is 400 Veterans Ave, Biloxi, MS 39531-2410.
- What is Gustave Sison's phone number?
- The practice phone number listed in the NPPES registry for Gustave Sison is (228) 523-4762.
- Is Gustave Sison's NPI active?
- Yes — Gustave Sison's NPI (1073531919) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.