DR. OWEN C. THOMAS (MD) – Radiation Oncology Physician, NPI 1043412935

DR. OWEN C. THOMAS (MD) is a healthcare provider. based in Rehoboth beach, Delaware. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. C10010086 (DE). The NPI Number for DR. OWEN C. THOMAS (MD) is 1043412935

Main info

Male
19 Years Of Experience
Accepts Medicare Assignment
Name
DR. OWEN C. THOMAS (MD)
NPI
1043412935
Phone
(302) 645-3775
Address
18947 JOHN J WILLIAMS HWY
Enumeration Date
3 June 2007
Last Update Date
11 June 2021

Doctor Profile

Medical School Name
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3026453775
Graduation Year
2007 (19 years ago)
PAC ID
0446406391
Group Practice PAC ID
6507801750
Professional Enrollment ID
I20120808000275
Address ID
DE199453301FR32750RDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

18 RADIATION ONCOLOGY in DE

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Provider Addresses for DR. OWEN C. THOMAS (MD)

  • 18947, John J Williams Highway, Truitts Midway Development, Rehoboth Beach, Sussex County, Delaware, 19971, United States

    TUNNELL CANCER CENTER

    REHOBOTH BEACH, DE 199714474

    Phone: (302) 645-3775

    Fax: (302) 645-3774

    Type: Location

  • 18947 JOHN J WILLIAMS HWY UNIT 101

    REHOBOTH BEACH, DE 199714480

    Phone: (302) 645-3775

    Fax: (302) 645-3774

    Type: Location

  • PO BOX 497

    LEWES, DE 199580497

    Phone: (302) 645-3775

    Fax: (302) 645-3774

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 19 Open Payments records for all available years, with a total value of $373.

Total Amount is formed as General ($373) + Research ($0) + Ownership ($0) = $373.

Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($42).

Total Amount

$373

General + Research + Ownership

Payments

19

Total payment records

General Amount

$373

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-20

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-08-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20120808000275IRadiation OncologyDETBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
77014Ct guidance for insertion of radiation therapy fields1,320208$0
77300Calculation of radiation therapy dose421118$0
77427Radiation treatment management, 5 treatment sessions396164$0
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy25178$0
77334Design and construction of complex radiation treatment device221113$0
View full utilization report →

Insurance plans in this area (ZIP 19971)

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Provider's Procedures

DR. OWEN C. THOMAS (MD) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RADIATION ONCOLOGYDE77263Management of radiation therapy, complex111109

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6507801750View full group profile
NameSpecialtyState
-DE
Radiation OncologyPA
Radiation OncologyDE

Reviews

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Frequently asked questions

Is there an official ID for DR. OWEN C. THOMAS (MD) in U.S. healthcare records?
The official identifier for DR. OWEN C. THOMAS (MD) is NPI 1043412935.
Active or inactive — what applies to DR. OWEN C. THOMAS (MD)?
You should see DR. OWEN C. THOMAS (MD) as active in CMS-hosted NPPES data.
What clinical focus is listed for DR. OWEN C. THOMAS (MD)?
At a glance, DR. OWEN C. THOMAS (MD) is tied to Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
Is DR. OWEN C. THOMAS (MD) located near Rehoboth Beach?
DR. OWEN C. THOMAS (MD) currently maps to Rehoboth Beach, Delaware in this extract.
Can I trust this NPI listing for DR. OWEN C. THOMAS (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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