DR. KAREN ANNE HOLLER PHD
NPI 1750474599
Psychologist in Providence, RI
About Dr. Karen Anne Holler Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN ANNE HOLLER PHD (NPI 1750474599) is an individual psychologist in Providence, Rhode Island, licensed in Rhode Island (PS00626) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Karen Anne Holler Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Karen Holler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 984 clinicians in this Medicare group
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 315 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PROVIDENCE, RI 02906
PROVIDENCE, RI 02906
PROVIDENCE, RI 02906
PROVIDENCE, RI 02906
PROVIDENCE, RI 02906
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Holler's NPI number?
The NPI number for Karen Holler is 1750474599. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Karen Holler located?
Karen Holler practices at 345 Blackstone Blvd, Providence, RI 02906. The listed phone number is (401) 455-6352.
What is Karen Holler's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Karen Holler enrolled in Medicare?
Yes. Karen Holler is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Holler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Holler reassigns Medicare benefits to 2 organizations: Affinity Physicians LLC (Providence, RI) and Lifespan Physician Group, Inc. (Providence, RI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Holler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Holler was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.