Diane Derr Lewis, PHD
NPI 1194872952 · Clinical Psychologist · Toledo, OH
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Derr Lewis, PHD is a Clinical Psychologist provider in Toledo, OH (NPI 1194872952).
Provider details
- NPI number
- 1194872952
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 5384 (OH)
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
- 2007-01-04
- Last updated
- 2012-05-01
Frequently asked questions
- What is Diane Derr Lewis's NPI number?
- Diane Derr Lewis's National Provider Identifier (NPI) is 1194872952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Derr Lewis's specialty?
- Diane Derr Lewis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Diane Derr Lewis located?
- Diane Derr Lewis's practice location on file with NPPES is 3425 Executive Pkwy, Toledo, OH 43606-1326.
- What is Diane Derr Lewis's phone number?
- The practice phone number listed in the NPPES registry for Diane Derr Lewis is (419) 531-3500.
- Does Diane Derr Lewis accept Medicare?
- Diane Derr Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Derr Lewis's NPI active?
- Yes — Diane Derr Lewis's NPI (1194872952) is active in the NPPES registry as of the last update on 2012-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.