Michelle Sullivan-Gast, PSY.D.
NPI 1417227968 · Clinical Psychologist · Fairfax, VA
Michelle Sullivan-Gast, PSY.D. is a Clinical Psychologist provider in Fairfax, VA (NPI 1417227968).
Provider details
- NPI number
- 1417227968
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0810004489 (VA)
Specialties & taxonomies
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
14 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
- 2011-12-30
- Last updated
- 2011-12-30
Frequently asked questions
- What is Michelle Sullivan-Gast's NPI number?
- Michelle Sullivan-Gast's National Provider Identifier (NPI) is 1417227968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Sullivan-Gast's specialty?
- Michelle Sullivan-Gast is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Michelle Sullivan-Gast located?
- Michelle Sullivan-Gast's practice location on file with NPPES is 3040 Williams Dr, Fairfax, VA 22031-4618.
- What is Michelle Sullivan-Gast's phone number?
- The practice phone number listed in the NPPES registry for Michelle Sullivan-Gast is (703) 573-3573.
- Is Michelle Sullivan-Gast's NPI active?
- Yes — Michelle Sullivan-Gast's NPI (1417227968) is active in the NPPES registry as of the last update on 2011-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.