Colleen Williams, BCBA
NPI 1861759359 · Behavior Analyst · Rockville, MD
Colleen Williams, BCBA is a Behavior Analyst provider in Rockville, MD (NPI 1861759359).
Provider details
- NPI number
- 1861759359
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BCBA
- Sex
- Female
- Sole proprietor
- Yes
- License
- LBA087 (MD)
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
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
- 2012-04-20
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Colleen Williams's NPI number?
- Colleen Williams's National Provider Identifier (NPI) is 1861759359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Williams's specialty?
- Colleen Williams is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Colleen Williams located?
- Colleen Williams's practice location on file with NPPES is 402 King Farm Blvd Ste 125246, Rockville, MD 20850-5843.
- What is Colleen Williams's phone number?
- The practice phone number listed in the NPPES registry for Colleen Williams is (240) 437-4077.
- Is Colleen Williams's NPI active?
- Yes — Colleen Williams's NPI (1861759359) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.