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THE DONOWAY CENTER FOR CANCER TREATMENT AND PREVENTION
NPI 1891166971
Surgery in Hollywood, FL

Active since October 14, 2015
4000 HOLLYWOOD BLVD, PRESIDENTIAL CIRCLE - SUITE 160 NORTH, HOLLYWOOD, FL 33021(954) 986-6366(954) 986-4355 Get Directions Write a Review

NPPES record last updated: July 12, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 12, 2019, Feb 10, 2016 (2 updates tracked since 2016).

About The Donoway Center For Cancer Treatment And Prevention NPPES

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

THE DONOWAY CENTER FOR CANCER TREATMENT AND PREVENTION (NPI 1891166971) is a healthcare organization registered as a surgery in Hollywood, Florida and active in the NPI registry since October 2015. The organization lists Kim Commins, Ceo, as its authorized official.

NPPES Registry Identity

NPI1891166971
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business Name21ST CENTURY ONCOLOGY LLC
Location Address4000 HOLLYWOOD BLVD, PRESIDENTIAL CIRCLE - SUITE 160 NORTHHollywood, FL 33021-6751
Mailing Address2234 Colonial BlvdFort Myers, FL 33907-1412 · (239) 931-7342 · Fax (239) 931-7385
Phone(954) 986-6366
Fax(954) 986-4355
Organization SubpartYesParent: 21st Century Oncology Inc
Authorized OfficialKim ComminsCeo · (239) 931-7277
Enumeration DateOctober 14, 2015
Last NPPES UpdateJuly 12, 20192 updates tracked since enumeration
✔ NPI 1891166971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
4000 HOLLYWOOD BLVD, Hollywood, FL 33021
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Other Names 1

Doing Business AsThe Donoway Center For Cancer Treatment And Prevention

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

The Donoway Center For Cancer Treatment And Prevention is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

282

Medicare enrollment records show 282 clinicians reassign Medicare billing to The Donoway Center For Cancer Treatment And Prevention, which bills Medicare for the services they deliver. Of these, 30 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 19

Urology86
Nurse Practitioner56
Radiation Oncology53
Hematology/Oncology18
General Surgery17
Medical Oncology14
Otolaryngology7
Surgical Oncology5
11 other specialties26

Nearest to this location (20)

See all 282
Marina Lebrun
Nurse Practitioner
NPI 1851856439
3850 HOLLYWOOD BLVD
Hollywood, FL 33021
(954) 874-9170
✔ PECOS✔ Accepts Medicare0.1 mi
Daniela Alonso, APRN
Nurse Practitioner
NPI 1073115671
300 S PARK RD STE 400
Hollywood, FL 33021
(954) 265-7450
✔ PECOS✔ Accepts Medicare0.4 mi
Jonathan Masel, MD
Urology
NPI 1013900414
4030 SHERIDAN ST SUITE C
Hollywood, FL 33021
(954) 961-7500
✔ PECOS✔ Accepts Medicare1.4 mi
Mark Lewis, M.D.
Medical Oncology
NPI 1134186729
4700 SHERIDAN ST STE M
Hollywood, FL 33021
(954) 432-6595
✔ PECOS✔ Accepts Medicare1.5 mi
Cristina Calvo, DNP
Nurse Practitioner
NPI 1366303927
6100 HOLLYWOOD BLVD
Hollywood, FL 33024
(954) 987-3010
✔ PECOS✔ Accepts Medicare1.7 mi
Jennifer Cudris Maldonado, M.D.
Hematology/Oncology
NPI 1831308022
2801 NE 213TH ST STE 1209
Aventura, FL 33180
(561) 409-1767
✔ PECOS✔ Accepts Medicare3.5 mi
Alejandra Del Toro, M.D.
Hematology/Oncology
NPI 1285881136
2801 NE 213TH ST STE 1209
Aventura, FL 33180
(561) 409-1767
✔ PECOS✔ Accepts Medicare3.5 mi
Mark Christ, M.D.
Urology
NPI 1144284688
21150 BISCAYNE BLVD 404
Aventura, FL 33180
(305) 466-9111
✔ PECOS✔ Accepts Medicare3.7 mi
Marc Gittelman, M.D.
Urology
NPI 1174587604
21150 BISCAYNE BLVD SUITE 404
Aventura, FL 33180
(305) 466-9111
✔ PECOS✔ Accepts Medicare3.7 mi
Juan Premoli, M.D.
Urology
NPI 1053375584
21150 BISCAYNE BLVD 404
Aventura, FL 33180
(305) 466-9111
✔ PECOS✔ Accepts Medicare3.7 mi
Stephen Tannenbaum, M.D.
Urology
NPI 1780648220
21150 BISCAYNE BLVD 404
Aventura, FL 33180
(305) 466-9111
✔ PECOS✔ Accepts Medicare3.7 mi
Boris Klopukh, MD
Urology
NPI 1003873183
21110 BISCAYNE BLVD SUITE 201
Aventura, FL 33180
(305) 534-4747
✔ PECOS✔ Accepts Medicare3.7 mi
Jack Pines, MD
Urology
NPI 1285699447
2500 E HALLANDALE BEACH BLVD SUITE PH-2
Hallandale Beach, FL 33009
(954) 456-6500
✔ PECOS✔ Accepts Medicare4.0 mi
Harvey Samowitz, MD
Urology
NPI 1477518082
2500 E HALLANDALE BEACH BLVD STE PH2
Hallandale Beach, FL 33009
(754) 707-5680
✔ PECOS✔ Accepts Medicare4.1 mi
Robert Sherman, MD
Urology
NPI 1447210810
500 N HIATUS RD STE 107
Pembroke Pines, FL 33026
(954) 392-6066
✔ PECOS✔ Accepts Medicare7.0 mi
Antonio Reyes, MD
Urology
NPI 1174584809
600 N HIATUS RD SUITE 209
Pembroke Pines, FL 33026
(954) 965-9860
✔ PECOS✔ Accepts Medicare7.1 mi
Niraj Mehta, M.D.
Radiation Oncology
NPI 1598919243
12309 PEMBROKE RD
Pembroke Pines, FL 33025
(954) 392-4750
✔ PECOS✔ Accepts Medicare8.0 mi
Evan Landau, MD
Radiation Oncology
NPI 1184824088
1228 S. PINE RD STE 130
Plantation, FL 33324
(786) 596-2000
✔ PECOS✔ Accepts Medicare8.1 mi
Wendy Bernard
Nurse Practitioner
NPI 1871979138
1190 NE 125TH ST
North Miami, FL 33161
(305) 891-7500
✔ PECOS✔ Accepts Medicare8.3 mi
Gabriel Domenech, MD
Medical Oncology
NPI 1427043785
201 NW 82ND AVE STE 201
Plantation, FL 33324
(954) 314-7100
✔ PECOS✔ Accepts Medicare9.2 mi
See all 282 clinicians

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 21st Century Oncology LLC's NPI number?

The NPI number for 21st Century Oncology LLC is 1891166971. It was assigned to this organization in the NPPES registry on October 14, 2015. The provider is doing business as The Donoway Center For Cancer Treatment And Prevention.

Where is 21st Century Oncology LLC located?

21st Century Oncology LLC is located at 4000 Hollywood Blvd Presidential Circle - Suite 160 North, Hollywood, FL 33021. The listed phone number is (954) 986-6366.

What is 21st Century Oncology LLC's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is 21st Century Oncology LLC enrolled in Medicare?

Yes. 21st Century Oncology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through 21st Century Oncology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 282 clinicians in 19 Medicare specialties reassign their Medicare billing to 21st Century Oncology LLC. 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 Urology (86), Nurse Practitioner (56) and Radiation Oncology (53). Of these, 30 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for 21st Century Oncology LLC was last updated on July 12, 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.