Hillary Ditmars, PHD
NPI 1326784612 · Clinical Psychologist · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Ditmars, PHD is a Clinical Psychologist provider in Boston, MA (NPI 1326784612).
Provider details
- NPI number
- 1326784612
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY10001049 (MA)
Specialties & taxonomies
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
4 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
Mailing address
Registry dates
- Enumerated
- 2022-05-09
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Hillary Ditmars's NPI number?
- Hillary Ditmars's National Provider Identifier (NPI) is 1326784612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Ditmars's specialty?
- Hillary Ditmars is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Hillary Ditmars located?
- Hillary Ditmars's practice location on file with NPPES is 55 Fruit St Ste 6a, Boston, MA 02114-2696.
- What is Hillary Ditmars's phone number?
- The practice phone number listed in the NPPES registry for Hillary Ditmars is (617) 724-5600.
- Does Hillary Ditmars accept Medicare?
- Hillary Ditmars is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Ditmars's NPI active?
- Yes — Hillary Ditmars's NPI (1326784612) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.