DELMARVA RADIATION SERVICES, PA
NPI 1992740906
Radiology - Radiation Oncology in Rehoboth Beach, DE

Active since June 17, 2006
18947 JOHN J WILLIAMS HWY, REHOBOTH BEACH, DE 19971(302) 645-3775(302) 645-3774 Get Directions Write a Review

NPPES record last updated: June 11, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Delmarva Radiation Services, Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DELMARVA RADIATION SERVICES, PA (NPI 1992740906) is a healthcare organization registered as a radiation oncology in Rehoboth Beach, Delaware and active in the NPI registry since June 2006. The organization lists Brian J Costleigh, Medical Director/president, as its authorized official.

NPPES Registry Identity

NPI1992740906
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameDELMARVA RADIATION SERVICES, PA
Location Address18947 JOHN J WILLIAMS HWYRehoboth Beach, DE 19971-4474
Mailing AddressPo Box 497Lewes, DE 19958-0497 · (302) 645-3775 · Fax (302) 645-3774
Fax(302) 645-3774
Organization SubpartNo
Authorized OfficialBrian J CostleighMedical Director/president · (302) 645-3775
Enumeration DateJune 17, 2006
Last NPPES UpdateJune 11, 2021
NPPES CertifiedJune 11, 2021
✔ NPI 1992740906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
18947 JOHN J WILLIAMS HWY, Rehoboth Beach, DE 19971

Other Identifiers 2

Medicaid1000038787DE
OtherDE4449Railroad Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Delmarva Radiation Services, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Delmarva Radiation Services, PA, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Radiation Oncology
NPI 1720203235
18947 JOHN J WILLIAMS HWY UNIT 101
Rehoboth Beach, DE 19971
(302) 645-3775
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1669675880
18947 JOHN J WILLIAMS HWY UNIT 101
Rehoboth Beach, DE 19971
(302) 645-3775
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1043412935
18947 JOHN J WILLIAMS HWY UNIT 101
Rehoboth Beach, DE 19971
(302) 645-3775
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1285620369
314 FRANKLIN AVE
Berlin, MD 21811
(410) 641-0277
✔ PECOS✔ Accepts Medicare28 mi

Source: 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 Delmarva Radiation Services, PA's NPI number?

The NPI number for Delmarva Radiation Services, PA is 1992740906. It was assigned to this organization in the NPPES registry on June 17, 2006.

Where is Delmarva Radiation Services, PA located?

Delmarva Radiation Services, PA is located at 18947 John J Williams Hwy, Rehoboth Beach, DE 19971. The listed phone number is (302) 645-3775.

What is Delmarva Radiation Services, PA's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Delmarva Radiation Services, PA enrolled in Medicare?

Yes. Delmarva Radiation Services, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Delmarva Radiation Services, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Radiation Oncology, reassign their Medicare billing to Delmarva Radiation Services, PA. 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. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Delmarva Radiation Services, PA accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Delmarva Radiation Services, PA 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 Delmarva Radiation Services, PA was last updated on June 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.