Carolyn Cassill, PH.D.
NPI 1801479639 · Psychologist · Boston, MA
Carolyn Cassill, PH.D. is a Psychologist provider in Boston, MA (NPI 1801479639).
Provider details
- NPI number
- 1801479639
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Neuropsychologist103G00000X
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
5 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
Mailing address
Registry dates
- Enumerated
- 2021-04-29
- Last updated
- 2021-10-04
- Certified
- 2021-10-04
Frequently asked questions
- What is Carolyn Cassill's NPI number?
- Carolyn Cassill's National Provider Identifier (NPI) is 1801479639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Cassill's specialty?
- Carolyn Cassill is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Carolyn Cassill located?
- Carolyn Cassill's practice location on file with NPPES is 151 Merrimac St, Boston, MA 02114-4714.
- What is Carolyn Cassill's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Cassill is (617) 726-2219.
- Is Carolyn Cassill's NPI active?
- Yes — Carolyn Cassill's NPI (1801479639) is active in the NPPES registry as of the last update on 2021-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.