Nathalie Alexis, PSY.D.
NPI 1245886993 · Clinical Psychologist · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathalie Alexis, PSY.D. is a Clinical Psychologist provider in Boston, MA (NPI 1245886993).
Provider details
- NPI number
- 1245886993
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11628 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Psychologist103T00000X
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 165 Lenox St Unit 143Norwood, MA 02062-3694Phone: (781) 269-2679
Registry dates
- Enumerated
- 2019-08-16
- Last updated
- 2022-08-26
- Certified
- 2022-08-26
Frequently asked questions
- What is Nathalie Alexis's NPI number?
- Nathalie Alexis's National Provider Identifier (NPI) is 1245886993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathalie Alexis's specialty?
- Nathalie Alexis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Nathalie Alexis located?
- Nathalie Alexis's practice location on file with NPPES is 133 Brookline Ave, Boston, MA 02215-3904.
- What is Nathalie Alexis's phone number?
- The practice phone number listed in the NPPES registry for Nathalie Alexis is (805) 455-7800.
- Does Nathalie Alexis accept Medicare?
- Nathalie Alexis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathalie Alexis's NPI active?
- Yes — Nathalie Alexis's NPI (1245886993) is active in the NPPES registry as of the last update on 2022-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.