MARTA A GONZALEZ CANCER CENTER
NPI 1891196127
Internal Medicine - Medical Oncology in Key West, FL

Active since September 05, 2014
3426 N ROOSEVELT BLVD, KEY WEST, FL 33040(305) 296-0021(305) 296-0061 Get Directions Write a Review

NPPES record last updated: June 21, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 21, 2023, Aug 25, 2020, Jul 12, 2019 (3 updates tracked since 2019).

About Marta A Gonzalez Cancer Center NPPES

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

MARTA A GONZALEZ CANCER CENTER (NPI 1891196127) is a healthcare organization registered as a medical oncology in Key West, Florida and active in the NPI registry since September 2014. The organization lists Shaden Marzouk, President, as its authorized official.

NPPES Registry Identity

NPI1891196127
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameGENESISCARE USA OF FLORIDA LLC
Location Address3426 N ROOSEVELT BLVDKey West, FL 33040-4224
Mailing Address2270 Colonial BlvdFort Myers, FL 33907-1412 · (239) 931-7342 · Fax (239) 931-7385
Fax(305) 296-0061
Organization SubpartYesParent: Genesiscare Usa Inc
Authorized OfficialShaden MarzoukPresident · (239) 931-7254
Enumeration DateSeptember 5, 2014
Last NPPES UpdateJune 21, 20233 updates tracked since enumeration
NPPES CertifiedJune 21, 2023
✔ NPI 1891196127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
3426 N ROOSEVELT BLVD, Key West, FL 33040

Other Names 1

Doing Business AsMarta A Gonzalez Cancer Center

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)

Marta A Gonzalez Cancer Center 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 Marta A Gonzalez Cancer Center, which bills Medicare for the services they deliver. Of these, 1 practice at this address. 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
Internal Medicine
NPI 1528033958
3426 N ROOSEVELT BLVD
Key West, FL 33040
(305) 296-0021
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1083701452
3303 OVERSEAS HWY STE 100
Marathon, FL 33050
(786) 662-5610
✔ PECOS✔ Accepts Medicare43 mi
Urology
NPI 1972708154
8625 COLLIER BLVD
Naples, FL 34114
(239) 434-8565
✔ PECOS✔ Accepts Medicare106 mi
General Surgery
NPI 1548368020
2335 TAMIAMI TRL N STE 501
Naples, FL 34103
(239) 237-4417
✔ PECOS✔ Accepts Medicare108 mi
Diagnostic Radiology
NPI 1144540097
820 GOODLETTE RD N
Naples, FL 34102
(239) 434-0166
✔ PECOS✔ Accepts Medicare109 mi
Nurse Practitioner
NPI 1245587112
1132 GOODLETTE RD N
Naples, FL 34102
(239) 434-8565
✔ PECOS✔ Accepts Medicare109 mi
Radiation Oncology
NPI 1356382188
14233 SW 42ND ST
Miami, FL 33175
(786) 439-3779
✔ PECOS116 mi
Hematology/Oncology
NPI 1073502753
8700 SW 88TH ST SUITE 100
Miami, FL 33176
(305) 271-1515
✔ PECOS✔ Accepts Medicare118 mi
Medical Oncology
NPI 1962581017
78 SW 13TH AVE SUITE 200
Miami, FL 33135
(305) 642-6966
✔ PECOS127 mi
Internal Medicine
NPI 1609142264
16420 HEALTHPARK COMMONS DR
Fort Myers, FL 33908
(239) 985-1925
✔ PECOS✔ Accepts Medicare133 mi
Pulmonary Disease
NPI 1922058940
16420 HEALTHPARK COMMONS DR
Fort Myers, FL 33908
(239) 985-1925
✔ PECOS✔ Accepts Medicare133 mi
Critical Care (Intensivists)
NPI 1679591275
16420 HEALTHPARK COMMONS DR
Fort Myers, FL 33908
(239) 985-1925
✔ PECOS✔ Accepts Medicare133 mi
Otolaryngology
NPI 1801861299
15761 NEW HAMPSHIRE CT
Fort Myers, FL 33908
(239) 415-8377
✔ PECOS✔ Accepts Medicare134 mi
Qualified Audiologist
NPI 1184802639
14171 METROPOLIS AVE STE. 101
Fort Myers, FL 33912
(239) 936-0721
✔ Accepts Medicare135 mi
Colorectal Surgery (Proctology)
NPI 1740285287
13770 PLANTATION RD SUITE 2
Fort Myers, FL 33912
(239) 275-0728
✔ PECOS✔ Accepts Medicare136 mi
Pathology
NPI 1811955818
13691 METRO PKWY STE 120
Fort Myers, FL 33912
(239) 215-4066
✔ PECOS✔ Accepts Medicare136 mi
Vascular Surgery
NPI 1043212913
8380 RIVERWALK PARK BLVD STE 100
Fort Myers, FL 33919
(239) 343-9960
✔ PECOS✔ Accepts Medicare137 mi
Gynecological Oncology
NPI 1669479747
8931 COLONIAL CENTER DR SUITE 400
Fort Myers, FL 33905
(239) 334-6626
✔ PECOS✔ Accepts Medicare141 mi
Surgical Oncology
NPI 1356582381
8925 COLONIAL CENTER DR STE 1000
Fort Myers, FL 33905
(239) 343-7400
✔ PECOS✔ Accepts Medicare141 mi
Anesthesiology
NPI 1386612349
2101 RIVERSIDE DR # 101
Coral Springs, FL 33071
(954) 341-6201
✔ PECOS✔ Accepts Medicare150 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 Genesiscare Usa Of Florida LLC's NPI number?

The NPI number for Genesiscare Usa Of Florida LLC is 1891196127. It was assigned to this organization in the NPPES registry on September 5, 2014. The provider is doing business as Marta A Gonzalez Cancer Center.

Where is Genesiscare Usa Of Florida LLC located?

Genesiscare Usa Of Florida LLC is located at 3426 N Roosevelt Blvd, Key West, FL 33040. The listed phone number is (305) 296-0021.

What is Genesiscare Usa Of Florida LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Genesiscare Usa Of Florida LLC enrolled in Medicare?

Yes. Genesiscare Usa Of Florida LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Genesiscare Usa Of Florida LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 282 clinicians in 19 Medicare specialties reassign their Medicare billing to Genesiscare Usa Of Florida 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Genesiscare Usa Of Florida LLC accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Genesiscare Usa Of Florida LLC 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 Genesiscare Usa Of Florida LLC was last updated on June 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.