Emily Hartnett, PHD
NPI 1821650664 · Clinical Psychologist · Lexington, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emily Hartnett, PHD is a Clinical Psychologist provider in Lexington, MA (NPI 1821650664).
Provider details
- NPI number
- 1821650664
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
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
2 documented practice locations
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
Additional practice locations (1)
- 55 Fruit StBoston, MA 02114-2696Phone: (617) 726-2000
Registry dates
- Enumerated
- 2019-07-02
- Last updated
- 2021-10-19
- Certified
- 2021-10-19
Frequently asked questions
- What is Emily Hartnett's NPI number?
- Emily Hartnett's National Provider Identifier (NPI) is 1821650664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emily Hartnett's specialty?
- Emily Hartnett is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Emily Hartnett located?
- Emily Hartnett's practice location on file with NPPES is 1 Maguire Rd, Lexington, MA 02421-3114.
- What is Emily Hartnett's phone number?
- The practice phone number listed in the NPPES registry for Emily Hartnett is (781) 860-1700.
- Does Emily Hartnett accept Medicare?
- Emily Hartnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emily Hartnett's NPI active?
- Yes — Emily Hartnett's NPI (1821650664) is active in the NPPES registry as of the last update on 2021-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.