Ellen Lewis, PH.D.
NPI 1720015951 · Psychologist · Baltimore, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Lewis, PH.D. is a Psychologist provider in Baltimore, MD (NPI 1720015951).
Provider details
- NPI number
- 1720015951
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 02597 (MD)
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
- 2006-06-26
- Last updated
- 2012-11-15
Frequently asked questions
- What is Ellen Lewis's NPI number?
- Ellen Lewis's National Provider Identifier (NPI) is 1720015951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Lewis's specialty?
- Ellen Lewis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ellen Lewis located?
- Ellen Lewis's practice location on file with NPPES is 2 Hamill Rd, Baltimore, MD 21210-1813.
- What is Ellen Lewis's phone number?
- The practice phone number listed in the NPPES registry for Ellen Lewis is (410) 433-1118.
- Does Ellen Lewis accept Medicare?
- Ellen Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Lewis's NPI active?
- Yes — Ellen Lewis's NPI (1720015951) is active in the NPPES registry as of the last update on 2012-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.