IndividualActive
Holly Vassar, M.S., BCBA, LABA
NPI 1780958223 · Behavior Analyst · Newton, MA
Holly Vassar, M.S., BCBA, LABA is a Behavior Analyst provider in Newton, MA (NPI 1780958223).
Provider details
- NPI number
- 1780958223
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- M.S., BCBA, LABA
- Sex
- Female
- Sole proprietor
- No
- License
- 832 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
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
109 Oak St
Newton, MA 02464-1492
Phone: (603) 345-1142
Street-level locationGet directions
Mailing address
159 Winsor Ave
Watertown, MA 02472-1482
Registry dates
- Enumerated
- 2012-03-01
- Last updated
- 2016-08-29
Frequently asked questions
- What is Holly Vassar's NPI number?
- Holly Vassar's National Provider Identifier (NPI) is 1780958223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Vassar's specialty?
- Holly Vassar is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Holly Vassar located?
- Holly Vassar's practice location on file with NPPES is 109 Oak St, Newton, MA 02464-1492.
- What is Holly Vassar's phone number?
- The practice phone number listed in the NPPES registry for Holly Vassar is (603) 345-1142.
- Is Holly Vassar's NPI active?
- Yes — Holly Vassar's NPI (1780958223) is active in the NPPES registry as of the last update on 2016-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.