Physician Profile
Gustavo A. Fonseca, MD
Unclaimed ProfileAbout Dr. Fonseca
Gustavo A. Fonseca, MD is a healthcare provider in Lecanto, FL specializing in hematology/oncology. Gustavo is also listed as specializing in hematology and medical oncology. According to Medicare claims data, Gustavo cared for 3,705 Medicare patients across 168,411 services. The services billed most often include injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use), injection, pembrolizumab, 1 mg, and injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram. This provider record is associated with NPI 1063478766.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (352) 746-0707
- Email not available
Practice Locations
521 N LECANTO HWY
Lecanto, FL 34461
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
- Cancer That Has Spread
Blood & Lymph Disorders
- Enlarged spleen
- Swollen Lymph Nodes
Blood Cancers
- Multiple Myeloma
- Myelodysplastic Syndrome
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
- Bone tumors
- Soft-tissue sarcoma
Digestive Cancers
- Esophageal cancer
- Liver cancer
- Pancreatic cancer
- Stomach cancer
Endocrine Cancers
- Thyroid cancer
Endocrine tumors
- Neuroendocrine Tumors
Gastrointestinal cancer
- Anal cancer
- Appendix cancer
- Bile duct cancer
- Gallbladder cancer
General oncology
- Cancer of unknown primary
Genetic Blood Disorders
- Sickle cell disease
- Thalassemia
Gynecologic cancer
- Vulvar cancer
Gynecologic Cancers
- Cervical cancer
- Endometrial cancer
- Ovarian cancer
Head & Neck Cancers
- Oral cancer
Head and neck cancer
- Laryngeal cancer
- Oral cavity cancer
Neurologic Cancers
- Brain tumor
Oncologic emergencies
- High calcium from cancer
Ophthalmologic oncology
- Melanoma of the eye
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
- Blood transfusion
- Chemotherapy
- Immunotherapy
- Targeted therapy
Biopsies & Diagnostics
- Bone Marrow Biopsy
- Lumbar puncture
- Lymph Node Biopsy
Blood disorder care
- Blood Exchange Transfusion
- Photopheresis
Cancer Therapies
- Hormone Therapy For Cancer
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
- CAR-T Therapy
- Stem Cell Transplant
Consultations
- Cancer Survivorship Care Plan
- Clinical Trial Screening
- Second Opinion For Cancer
Diagnostic testing
- Circulating tumor cell test
Hematology Treatments
- Blood Clot Management
- Plasmapheresis
- PRP Injection
- Therapeutic Blood Draw
Imaging
- PET Scan
Infusions
- Clotting Factor Replacement
- Iron Infusion
- IV fluids
- IVIG Infusion
Interventional oncology
- Radiofrequency ablation
- TACE Chemoembolization
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
- Cancer Genetic Testing
- Cancer Tumor Profiling
- Liquid Biopsy
Vascular access care
- Chemo port check
- Chemo Port Flush And Maintenance
- PICC line dressing change
Procedures Most Often Billed to Medicare
168,411 services · 3,705 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
2,661 | More than most peers in Hematology/Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
872 | More than most peers in Hematology/Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
561 | More than most peers in Hematology/Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
502 | More than most peers in Hematology/Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
17,400 | More often than most peers in Hematology/Oncology |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
12,390 | Too few peers to compare |
| Injection, nivolumab, 1 mg | Drug given | J9299 |
9,800 | As often as other peers in Hematology/Oncology |
| Injection, epoetin alfa, (for non-esrd use), 1000 units | Drug given | J0885 |
9,520 | More often than most peers in Hematology/Oncology |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
8,840 | As often as other peers in Hematology/Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
8,100 | More often than most peers in Hematology/Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology/oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in FL who bill this service to Medicare most often.
Common questions
What is Dr. Fonseca's specialty?
Dr. Fonseca is a hematology/oncology in Lecanto, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Fonseca?
Dr. Fonseca is listed at 521 N Lecanto Hwy, Lecanto, FL 34461. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fonseca?
The number on file is (352) 746-0707. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Fonseca's NPI number?
Dr. Fonseca's National Provider Identifier is 1063478766. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Fonseca's medical education?
Dr. Fonseca attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fonseca been practicing?
Dr. Fonseca has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Fonseca known for?
According to Medicare billing data, Dr. Fonseca performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fonseca confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fonseca. If this is you, claiming it is free.
Guide.md
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