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Marcellus Williams
NPI 1487485611 · Behavior Technician · Chula Vista, CA
Marcellus Williams is a Behavior Technician provider in Chula Vista, CA (NPI 1487485611).
Provider details
- NPI number
- 1487485611
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
310 3rd Ave Ste B8
Chula Vista, CA 91910-3990
Phone: (855) 223-7123
Fax: (619) 374-7134
Street-level locationGet directions
Mailing address
Po Box 33568
San Diego, CA 92163-3568
Registry dates
- Enumerated
- 2024-08-09
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Marcellus Williams's NPI number?
- Marcellus Williams's National Provider Identifier (NPI) is 1487485611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcellus Williams's specialty?
- Marcellus Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Marcellus Williams located?
- Marcellus Williams's practice location on file with NPPES is 310 3rd Ave Ste B8, Chula Vista, CA 91910-3990.
- What is Marcellus Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcellus Williams is (855) 223-7123.
- Is Marcellus Williams's NPI active?
- Yes — Marcellus Williams's NPI (1487485611) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.