William Lax, PH.D.
NPI 1548247570 · Clinical Psychologist · Brattleboro, VT
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lax, PH.D. is a Clinical Psychologist provider in Brattleboro, VT (NPI 1548247570).
Provider details
- NPI number
- 1548247570
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 188 (VT)
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
20 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
- 2005-12-30
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is William Lax's NPI number?
- William Lax's National Provider Identifier (NPI) is 1548247570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lax's specialty?
- William Lax is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Lax located?
- William Lax's practice location on file with NPPES is 352 Orchard St, Brattleboro, VT 05301-4217.
- What is William Lax's phone number?
- The practice phone number listed in the NPPES registry for William Lax is (802) 380-8852.
- Does William Lax accept Medicare?
- William Lax is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lax's NPI active?
- Yes — William Lax's NPI (1548247570) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.