Lydia Chevalier, PHD
NPI 1437675105 · Clinical Psychologist · Watertown, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lydia Chevalier, PHD is a Clinical Psychologist provider in Watertown, MA (NPI 1437675105).
Provider details
- NPI number
- 1437675105
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 11696 (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
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
Mailing address
Registry dates
- Enumerated
- 2017-08-15
- Last updated
- 2022-07-25
- Certified
- 2022-07-25
Frequently asked questions
- What is Lydia Chevalier's NPI number?
- Lydia Chevalier's National Provider Identifier (NPI) is 1437675105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Chevalier's specialty?
- Lydia Chevalier is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Lydia Chevalier located?
- Lydia Chevalier's practice location on file with NPPES is 54 Buick St, Watertown, MA 02472-2106.
- What is Lydia Chevalier's phone number?
- The practice phone number listed in the NPPES registry for Lydia Chevalier is (413) 768-9936.
- Does Lydia Chevalier accept Medicare?
- Lydia Chevalier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lydia Chevalier's NPI active?
- Yes — Lydia Chevalier's NPI (1437675105) is active in the NPPES registry as of the last update on 2022-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.