Arianna Williams, LMHC
NPI 1891565099 · Mental Health Counselor · New Rochelle, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arianna Williams, LMHC is a Mental Health Counselor provider in New Rochelle, NY (NPI 1891565099).
Provider details
- NPI number
- 1891565099
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
2 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
- 2024-01-08
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Arianna Williams's NPI number?
- Arianna Williams's National Provider Identifier (NPI) is 1891565099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arianna Williams's specialty?
- Arianna Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Arianna Williams located?
- Arianna Williams's practice location on file with NPPES is 481 Main St Ste 401, New Rochelle, NY 10801-6360.
- What is Arianna Williams's phone number?
- The practice phone number listed in the NPPES registry for Arianna Williams is (914) 355-2440.
- Does Arianna Williams accept Medicare?
- Arianna Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arianna Williams's NPI active?
- Yes — Arianna Williams's NPI (1891565099) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.