Rachel Williamson
NPI 1538641634 · Professional Counselor · Saint Louis, MO
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Williamson is a Professional Counselor provider in Saint Louis, MO (NPI 1538641634).
Provider details
- NPI number
- 1538641634
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
7 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
Mailing address
Registry dates
- Enumerated
- 2018-09-05
- Last updated
- 2018-09-05
Frequently asked questions
- What is Rachel Williamson's NPI number?
- Rachel Williamson's National Provider Identifier (NPI) is 1538641634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Williamson's specialty?
- Rachel Williamson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Rachel Williamson located?
- Rachel Williamson's practice location on file with NPPES is 1323 Sullivan Ave, Saint Louis, MO 63107-3919.
- What is Rachel Williamson's phone number?
- The practice phone number listed in the NPPES registry for Rachel Williamson is (314) 503-1746.
- Does Rachel Williamson accept Medicare?
- Rachel Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Williamson's NPI active?
- Yes — Rachel Williamson's NPI (1538641634) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.