IndividualActive
Mary Ellis, PSYD
NPI 1720594088 · Psychologist · Boston, MA
Mary Ellis, PSYD is a Psychologist provider in Boston, MA (NPI 1720594088).
Provider details
- NPI number
- 1720594088
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- No
- License
- 11988 (MA)
Specialties & taxonomies
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
7 Drydock Ave Ste 2070
Boston, MA 02210-2303
Phone: (857) 203-6461
Street-level locationGet directions
Mailing address
3640 Colonel Glenn Hwy
Dayton, OH 45435-0001
Registry dates
- Enumerated
- 2017-12-22
- Last updated
- 2023-06-21
- Certified
- 2023-06-21
Frequently asked questions
- What is Mary Ellis's NPI number?
- Mary Ellis's National Provider Identifier (NPI) is 1720594088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ellis's specialty?
- Mary Ellis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Ellis located?
- Mary Ellis's practice location on file with NPPES is 7 Drydock Ave Ste 2070, Boston, MA 02210-2303.
- What is Mary Ellis's phone number?
- The practice phone number listed in the NPPES registry for Mary Ellis is (857) 203-6461.
- Is Mary Ellis's NPI active?
- Yes — Mary Ellis's NPI (1720594088) is active in the NPPES registry as of the last update on 2023-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.