Haley Mazzarella, PSY.D.
NPI 1265711303 · Clinical Psychologist · Cambridge, MA
Haley Mazzarella, PSY.D. is a Clinical Psychologist provider in Cambridge, MA (NPI 1265711303).
Provider details
- NPI number
- 1265711303
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10484 (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
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
Mailing address
Registry dates
- Enumerated
- 2011-08-08
- Last updated
- 2023-11-22
- Certified
- 2023-11-22
Frequently asked questions
- What is Haley Mazzarella's NPI number?
- Haley Mazzarella's National Provider Identifier (NPI) is 1265711303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haley Mazzarella's specialty?
- Haley Mazzarella is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Haley Mazzarella located?
- Haley Mazzarella's practice location on file with NPPES is 126 Prospect St. Ste. 2, Cambridge, MA 02139.
- What is Haley Mazzarella's phone number?
- The practice phone number listed in the NPPES registry for Haley Mazzarella is (857) 919-4184.
- Is Haley Mazzarella's NPI active?
- Yes — Haley Mazzarella's NPI (1265711303) is active in the NPPES registry as of the last update on 2023-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.