Dr Gustavo A Fonseca, MD - Medicare Hematology/oncology in Lecanto, FL

Dr Gustavo A Fonseca, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Lecanto, Florida. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Florida Cancer Specialists And Research Institute, Llc and his current practice location is 521 N Lecanto Hwy, Florida Cancer Specialists P L, Lecanto, Florida. You can reach out to his office (for appointments etc.) via phone at (352) 746-0707.

Dr Gustavo A Fonseca is licensed to practice in Florida (license number ME57124) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1063478766.

Contact Information

Dr Gustavo A Fonseca, MD
521 N Lecanto Hwy, Florida Cancer Specialists P L,
Lecanto, FL 34461-9187
(352) 746-0707
(352) 746-6333

Map and Direction




Physician's Profile

Full NameDr Gustavo A Fonseca
GenderMale
SpecialityHematology/oncology
Experience39 Years
Location521 N Lecanto Hwy, Lecanto, Florida
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Gustavo A Fonseca graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1063478766
  • Provider Enumeration Date: 04/22/2006
  • Last Update Date: 05/02/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3678661501
  • Enrollment ID: I20071110000027

Medical Identifiers

Medical identifiers for Dr Gustavo A Fonseca such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063478766NPI-NPPES
064874400MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology ME57124 (Florida)Secondary
207RX0202XInternal Medicine - Medical Oncology ME57124 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Citrus Memorial HospitalInverness, FLHospital
Bayfront Health Seven RiversCrystal river, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Florida Cancer Specialists And Research Institute, Llc2567356058371

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gustavo A Fonseca allows following entities to bill medicare on his behalf.
Entity NameFlorida Cancer Specialists & Research Institute, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760590962
PECOS PAC ID: 2567356058
Enrollment ID: O20040216000091

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gustavo A Fonseca is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Gustavo A Fonseca, MD
Po Box 102222, Attn: Credentialing,
Atlanta, GA 30368-2222

Ph: (239) 274-8200
Dr Gustavo A Fonseca, MD
521 N Lecanto Hwy, Florida Cancer Specialists P L,
Lecanto, FL 34461-9187

Ph: (352) 746-0707

Reviews and Comments


Internal Medicine Doctors in Lecanto, FL

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Medicare: Accepting Medicare Assignments
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Phone: 352-423-1013    Fax: 352-513-3043

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.