KAREN COURTNEY SHELLENBARGER NP
NPI 1053568048
Nurse Practitioner - Pediatrics in Worcester, MA
About Karen Courtney Shellenbarger Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN COURTNEY SHELLENBARGER NP (NPI 1053568048) is an individual pediatrics provider in Worcester, Massachusetts, licensed in Massachusetts (RN2324819) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Courtney Shellenbarger Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Shellenbarger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Shellenbarger's NPI number?
The NPI number for Karen Shellenbarger is 1053568048. It was assigned to this individual provider in the NPPES registry on August 21, 2008. The provider is also known as Karen Courtney Thorman.
Where is Karen Shellenbarger located?
Karen Shellenbarger practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 441-7615.
What is Karen Shellenbarger's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Karen Shellenbarger enrolled in Medicare?
Yes. Karen Shellenbarger is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Shellenbarger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Shellenbarger reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Shellenbarger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Shellenbarger accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource list Karen Shellenbarger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karen Shellenbarger was last updated on October 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Karen Courtney Shellenbarger, NP · NPI 1053568048
Pediatrics physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since August 21, 2008.
## Identity
- **NPI:** 1053568048 (Entity type: Individual)
- **Enumerated:** August 21, 2008
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** RN2324819 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655
- **Phone:** (774) 441-7615 · **Fax:** (508) 856-4287
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 26, 2020
- **Other identifiers:** Medicaid 2926614 (OH)
---
Source: [NPI Profile](https://npiprofile.com/npi/1053568048) · Data from the CMS NPPES public registry.