GABRIELLE SHILLEN RDN
NPI 1285298885
Dietitian, Registered in Portsmouth, NH
About Gabrielle Shillen Rdn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GABRIELLE SHILLEN RDN (NPI 1285298885) is an individual dietitian, registered in Portsmouth, New Hampshire and active in the NPI registry since April 2019.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gabrielle Shillen Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gabrielle Shillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02110
- Reassigned Medicare billing, Kentucky enrollment
- 2 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gabrielle Shillen's NPI number?
The NPI number for Gabrielle Shillen is 1285298885. It was assigned to this individual provider in the NPPES registry on April 29, 2019.
Where is Gabrielle Shillen located?
Gabrielle Shillen practices at 15 Rye St, Portsmouth, NH 03801. The listed phone number is (888) 320-1776.
What is Gabrielle Shillen's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Gabrielle Shillen enrolled in Medicare?
Yes. Gabrielle Shillen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gabrielle Shillen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gabrielle Shillen reassigns Medicare benefits to Good Measures (Boston, 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 Gabrielle Shillen'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 Gabrielle Shillen was last updated on April 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Gabrielle Shillen, RDN · NPI 1285298885
Dietitian, Registered provider in Portsmouth, New Hampshire. Individual provider, active in the CMS NPPES registry since April 29, 2019.
## Identity
- **NPI:** 1285298885 (Entity type: Individual)
- **Enumerated:** April 29, 2019
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 15 RYE ST, Portsmouth, NH 03801-6829
- **Phone:** (888) 320-1776
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Good Measures (NPI 1427487917, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1285298885) · Data from the CMS NPPES public registry.