What is Marcus Williams's NPI number?

Marcus Williams's National Provider Identifier (NPI) is 1205341138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcus Williams's specialty?

Marcus Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Marcus Williams located?

Marcus Williams's practice location on file with NPPES is 220 Route 12 Ste 205, Groton, CT 06340-3414.

What is Marcus Williams's phone number?

The practice phone number listed in the NPPES registry for Marcus Williams is (877) 315-8080.

Is Marcus Williams's NPI active?

Yes — Marcus Williams's NPI (1205341138) is active in the NPPES registry as of the last update on 2017-12-14.

IndividualActive

Marcus Williams

NPI 1205341138 · Behavior Technician · Groton, CT

Marcus Williams is a Behavior Technician provider in Groton, CT (NPI 1205341138).

Provider details

NPI number: 1205341138
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: RBT-16-27657 (CT)

Specialties & taxonomies

Behavior TechnicianPrimary106S00000XLicense RBT-16-27657 (CT)
Behavioral Health & Social Service Providers

Profile Score

Established profile(69/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 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

220 Route 12 Ste 205

Groton, CT 06340-3414

Phone: (877) 315-8080

Street-level locationGet directions

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Mailing address