JOANNA J GELL M.D.
NPI 1386965663
Pediatrics - Pediatric Hematology-Oncology in Hartford, CT
About Joanna J Gell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA J GELL M.D. (NPI 1386965663) is an individual pediatric hematology-oncology provider in Hartford, Connecticut, licensed in California (A125907) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Vermont College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Joanna J Gell M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joanna Gell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 601 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.
HARTFORD, CT 06106
HARTFORD, CT 06106
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 Joanna Gell's NPI number?
The NPI number for Joanna Gell is 1386965663. It was assigned to this individual provider in the NPPES registry on June 21, 2010.
Where is Joanna Gell located?
Joanna Gell practices at 282 Washington St, Hartford, CT 06106. The listed phone number is (860) 837-5170.
What is Joanna Gell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Joanna Gell enrolled in Medicare?
Yes. Joanna Gell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joanna Gell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Gell reassigns Medicare benefits to Connecticut Children's Specialty Group, Inc. (Hartford, CT). 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 Joanna Gell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanna Gell accept?
Health plans from Anthem Blue Cross and Blue Shield list Joanna Gell 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 Joanna Gell was last updated on April 25, 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.
# Joanna J Gell, M.D. · NPI 1386965663
Pediatric Hematology-Oncology physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since June 21, 2010.
## Identity
- **NPI:** 1386965663 (Entity type: Individual)
- **Enumerated:** June 21, 2010
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** A125907 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 282 WASHINGTON ST, Hartford, CT 06106-3322
- **Phone:** (860) 837-5170
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Connecticut Children's Specialty Group, Inc. (NPI 1669448882, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** April 25, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1386965663) · Data from the CMS NPPES public registry.