Karen Holler, PHD
NPI 1750474599 · Psychologist · Providence, RI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Holler, PHD is a Psychologist provider in Providence, RI (NPI 1750474599).
Provider details
- NPI number
- 1750474599
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PS00626 (RI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-10-02
- Last updated
- 2025-09-11
Frequently asked questions
- What is Karen Holler's NPI number?
- Karen Holler's National Provider Identifier (NPI) is 1750474599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Holler's specialty?
- Karen Holler is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Karen Holler located?
- Karen Holler's practice location on file with NPPES is 345 Blackstone Blvd, Providence, RI 02906-4800.
- What is Karen Holler's phone number?
- The practice phone number listed in the NPPES registry for Karen Holler is (401) 455-6352.
- Does Karen Holler accept Medicare?
- Karen Holler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Holler's NPI active?
- Yes — Karen Holler's NPI (1750474599) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.