CONNECTICUT ONCOLOGY GROUP, PC
NPI 1376533588
Nurse Practitioner - Family in Middletown, CT
About Connecticut Oncology Group, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONNECTICUT ONCOLOGY GROUP, PC (NPI 1376533588) is a healthcare organization registered as a family in Middletown, Connecticut and active in the NPI registry since October 2005. The organization holds a CLIA Waiver certificate valid through October 15, 2028, maintains a secondary practice location in Westbrook, and lists Susanna Hong, Authorized Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Connecticut Oncology Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
11Medicare enrollment records show 11 clinicians reassign Medicare billing to Connecticut Oncology Group, PC, which bills Medicare for the services they deliver. Of these, 10 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (11)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 07D0707295
Connecticut Oncology Group, PC · Middletown, CTFrequently 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 Connecticut Oncology Group, PC's NPI number?
The NPI number for Connecticut Oncology Group, PC is 1376533588. It was assigned to this organization in the NPPES registry on October 27, 2005.
Where is Connecticut Oncology Group, PC located?
Connecticut Oncology Group, PC is located at 536 Saybrook Rd, Middletown, CT 06457. The listed phone number is (860) 358-2220.
What is Connecticut Oncology Group, PC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Connecticut Oncology Group, PC enrolled in Medicare?
Yes. Connecticut Oncology Group, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Connecticut Oncology Group, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 3 Medicare specialties reassign their Medicare billing to Connecticut Oncology Group, PC. A 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 the clinician's services. The largest specialties are Hematology/Oncology (6), Nurse Practitioner (4) and Medical Oncology (1). Of these, 10 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Connecticut Oncology Group, PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 07D0707295) is associated with this NPI, valid through October 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Connecticut Oncology Group, PC accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 32 other insurers list Connecticut Oncology Group, PC 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 Connecticut Oncology Group, PC was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Connecticut Oncology Group, Pc · NPI 1376533588
Family organization in Middletown, Connecticut. Organization record, active in the CMS NPPES registry since October 27, 2005.
## Identity
- **NPI:** 1376533588 (Entity type: Organization)
- **Enumerated:** October 27, 2005
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **Organization subpart:** No
- **Authorized official:** Susanna Hong, AUTHORIZED OFFICIAL
## Practice location
- **Address:** 536 SAYBROOK RD, Middletown, CT 06457-4712
- **Phone:** (860) 358-2220 · **Fax:** (860) 358-2222
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 11 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hematology/Oncology (6), Nurse Practitioner (4), Medical Oncology (1); 10 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 27, 2026
- **Other identifiers:** Medicaid 004394970 (CT)
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1376533588) · Data from the CMS NPPES public registry.