BAYHEALTH MEDICAL ONCOLOGY, SUSSEX CAMPUS
NPI 1104383041
Internal Medicine - Medical Oncology in Milford, DE
About Bayhealth Medical Oncology, Sussex Campus NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BAYHEALTH MEDICAL ONCOLOGY, SUSSEX CAMPUS (NPI 1104383041) is a healthcare organization registered as a medical oncology in Milford, Delaware and active in the NPI registry since February 2019. The organization lists Michael Tretina, Sr. Vice President/ Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 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)
Bayhealth Medical Oncology, Sussex Campus is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
28Medicare enrollment records show 28 clinicians reassign Medicare billing to Bayhealth Medical Oncology, Sussex Campus, which bills Medicare for the services they deliver. Of these, 2 practice at this address. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 28Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Bayhealth Medical Center, Inc.'s NPI number?
The NPI number for Bayhealth Medical Center, Inc. is 1104383041. It was assigned to this organization in the NPPES registry on February 27, 2019. The provider is doing business as Bayhealth Medical Oncology, Sussex Campus.
Where is Bayhealth Medical Center, Inc. located?
Bayhealth Medical Center, Inc. is located at 100 Wellness Way, Milford, DE 19963. The listed phone number is (302) 430-5738.
What is Bayhealth Medical Center, Inc.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Bayhealth Medical Center, Inc. enrolled in Medicare?
Yes. Bayhealth Medical Center, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Bayhealth Medical Center, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 28 clinicians in 5 Medicare specialties reassign their Medicare billing to Bayhealth Medical Center, Inc.. 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 (13), Nurse Practitioner (11) and Medical Oncology (2). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Bayhealth Medical Center, Inc. accept?
Health plans from AmeriHealth Caritas Next and Highmark Blue Cross Blue Shield Delaware list Bayhealth Medical Center, Inc. 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 Bayhealth Medical Center, Inc. was last updated on February 28, 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.
# Bayhealth Medical Oncology, Sussex Campus · NPI 1104383041
Medical Oncology organization in Milford, Delaware. Organization record, active in the CMS NPPES registry since February 27, 2019.
## Identity
- **NPI:** 1104383041 (Entity type: Organization)
- **Enumerated:** February 27, 2019
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **Legal business name:** Bayhealth Medical Center, Inc.
- **Organization subpart:** No
- **Authorized official:** Michael Tretina, SR. VICE PRESIDENT/ CFO
## Practice location
- **Address:** 100 WELLNESS WAY, Milford, DE 19963-4364
- **Phone:** (302) 430-5738 · **Fax:** (302) 744-7181
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 28 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hematology/Oncology (13), Nurse Practitioner (11), Medical Oncology (2); 2 practice at this address; [full list](https://npiprofile.com/npi/1104383041/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 28, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1104383041) · Data from the CMS NPPES public registry.