Ruth Lewis, PH.D.
NPI 1447266473 · Clinical Psychologist · Arlington, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Lewis, PH.D. is a Clinical Psychologist provider in Arlington, MA (NPI 1447266473).
Provider details
- NPI number
- 1447266473
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7359 (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
19 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
- 2006-07-31
- Last updated
- 2007-07-09
Frequently asked questions
- What is Ruth Lewis's NPI number?
- Ruth Lewis's National Provider Identifier (NPI) is 1447266473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Lewis's specialty?
- Ruth Lewis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ruth Lewis located?
- Ruth Lewis's practice location on file with NPPES is 7 Court St, Arlington, MA 02476-4803.
- What is Ruth Lewis's phone number?
- The practice phone number listed in the NPPES registry for Ruth Lewis is (781) 483-3329.
- Does Ruth Lewis accept Medicare?
- Ruth Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Lewis's NPI active?
- Yes — Ruth Lewis's NPI (1447266473) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.