Erin St Louis
NPI 1740735240 · Marriage & Family Therapist · Fairfax, VA
Erin St Louis is a Marriage & Family Therapist provider in Fairfax, VA (NPI 1740735240).
Provider details
- NPI number
- 1740735240
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 106H00000X (VA)
Specialties & taxonomies
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5500 Holmes Run PkwySuite C4Alexandria, VA 22304-2863Phone: (703) 379-7350
Registry dates
- Enumerated
- 2016-08-25
- Last updated
- 2022-07-25
- Certified
- 2022-07-25
Frequently asked questions
- What is Erin St Louis's NPI number?
- Erin St Louis's National Provider Identifier (NPI) is 1740735240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin St Louis's specialty?
- Erin St Louis is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Erin St Louis located?
- Erin St Louis's practice location on file with NPPES is 10640 Page Ave Ste 330, Fairfax, VA 22030-4012.
- What is Erin St Louis's phone number?
- The practice phone number listed in the NPPES registry for Erin St Louis is (571) 242-2991.
- Is Erin St Louis's NPI active?
- Yes — Erin St Louis's NPI (1740735240) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.