Mary Ellen Tillotson, PH.D.
NPI 1538535034 · Clinical Psychologist · Warwick, RI
Enrolled with Medicare as Order and Referring Only - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ellen Tillotson, PH.D. is a Clinical Psychologist provider in Warwick, RI (NPI 1538535034).
Provider details
- NPI number
- 1538535034
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PST00182 (RI)
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
10 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
- 2015-08-19
- Last updated
- 2015-08-19
Frequently asked questions
- What is Mary Ellen Tillotson's NPI number?
- Mary Ellen Tillotson's National Provider Identifier (NPI) is 1538535034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ellen Tillotson's specialty?
- Mary Ellen Tillotson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Ellen Tillotson located?
- Mary Ellen Tillotson's practice location on file with NPPES is 15 Aspen Way, Warwick, RI 02886-5006.
- What is Mary Ellen Tillotson's phone number?
- The practice phone number listed in the NPPES registry for Mary Ellen Tillotson is (401) 499-4598.
- Does Mary Ellen Tillotson accept Medicare?
- Mary Ellen Tillotson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ellen Tillotson's NPI active?
- Yes — Mary Ellen Tillotson's NPI (1538535034) is active in the NPPES registry as of the last update on 2015-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.