IndividualActive
Maryelisabeth Mackay
NPI 1942854476 · Behavior Technician · Waltham, MA
Maryelisabeth Mackay is a Behavior Technician provider in Waltham, MA (NPI 1942854476).
Provider details
- NPI number
- 1942854476
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
303 Wyman St Ste 300
Waltham, MA 02451-1255
Phone: (800) 249-1266
Street-level locationGet directions
Mailing address
1301 E Orangewood Ave
Anaheim, CA 92805-6807
Registry dates
- Enumerated
- 2019-08-01
- Last updated
- 2019-08-01
Frequently asked questions
- What is Maryelisabeth Mackay's NPI number?
- Maryelisabeth Mackay's National Provider Identifier (NPI) is 1942854476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryelisabeth Mackay's specialty?
- Maryelisabeth Mackay is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Maryelisabeth Mackay located?
- Maryelisabeth Mackay's practice location on file with NPPES is 303 Wyman St Ste 300, Waltham, MA 02451-1255.
- What is Maryelisabeth Mackay's phone number?
- The practice phone number listed in the NPPES registry for Maryelisabeth Mackay is (800) 249-1266.
- Is Maryelisabeth Mackay's NPI active?
- Yes — Maryelisabeth Mackay's NPI (1942854476) is active in the NPPES registry as of the last update on 2019-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.