HANNAH L. FASSEL JUSTUS MD
NPI 1255696951
Pediatrics - Pediatric Hematology-Oncology in Providence, RI
About Hannah L. Fassel Justus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH L. FASSEL JUSTUS MD (NPI 1255696951) is an individual pediatric hematology-oncology provider in Providence, Rhode Island, licensed in Rhode Island (MD18605) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hannah L. Fassel Justus Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Hannah Fassel Justus reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Providence, RI 02903
- Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
- 55 clinicians in this Medicare group
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 265 clinicians in this Medicare group
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 984 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 202 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 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
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 Hannah Fassel Justus's NPI number?
The NPI number for Hannah Fassel Justus is 1255696951. It was assigned to this individual provider in the NPPES registry on July 9, 2012.
Where is Hannah Fassel Justus located?
Hannah Fassel Justus practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-6195.
What is Hannah Fassel Justus's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Hannah Fassel Justus enrolled in Medicare?
Yes. Hannah Fassel Justus is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hannah Fassel Justus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Fassel Justus reassigns Medicare benefits to 4 organizations: Lifespan Physician Group, Inc. (Providence, RI), Rhode Island Hospital (Providence, RI), Affinity Physicians LLC (Providence, RI) and Pratt Pediatric Associates Inc (Boston, MA). 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 Hannah Fassel Justus'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 Hannah Fassel Justus was last updated on August 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Hannah L. Fassel Justus, MD · NPI 1255696951
Pediatric Hematology-Oncology physician in Providence, Rhode Island. Individual provider, active in the CMS NPPES registry since July 9, 2012.
## Identity
- **NPI:** 1255696951 (Entity type: Individual)
- **Enumerated:** July 9, 2012
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** MD18605 (Rhode Island)
- **Sole proprietor:** No
## Practice location
- **Address:** 593 EDDY ST, Providence, RI 02903-4923
- **Phone:** (401) 444-6195
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Lifespan Physician Group, Inc. (NPI 1407116643, Providence, RI); Rhode Island Hospital (NPI 1861420333, Providence, RI); Affinity Physicians LLC (NPI 1053038471, Providence, RI); Pratt Pediatric Associates Inc (NPI 1477590511, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 10, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1255696951) · Data from the CMS NPPES public registry.