Gustavo A. Fonseca, MD
Medical Oncology Physician · Lecanto, FL
Gustavo A. Fonseca, MD is a medical oncology physician with a practice address in Lecanto, Florida, and NPI 1063478766, issued on Apr 22, 2006. Check the license (Florida ME57124, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Gustavo A. Fonseca
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- ME57124 FL
Self-reported in NPPES; status is on the state search - Practice location
- 521 N Lecanto Hwy, Lecanto, FL 34461
- Phone
- (352) 746-0707
- Enumerated
- Apr 22, 2006
- Record last updated
- Feb 19, 2026
- Fax
- (352) 746-6333
- Medicaid ID
- 064874400 FL
- Medicare enrollment
- Enrolled (PECOS I20071110000027); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 561 in Florida → Look up another NPI →
Also registered at 521 N Lecanto Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Albaugh, APRNFamily Nurse Practitioner1437798402
- Megan Brecher, APRNFamily Nurse Practitioner1437651965
- Tiffany Eddins, APRNFamily Nurse Practitioner1063247575
- Sunil Gandhi, MDMedical Oncology Physician1811945231
- Nagapratap Ganta, MDMedical Oncology Physician1134757883
- Jeanine Grossman, ARNPNurse Practitioner1790116697
Verify Gustavo A. Fonseca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME57124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average medical oncology physician in 2024
1,261 Medicare Part D claims for 266 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 184 claims were for opioids.
Most prescribed
- Revlimid97 claims
- Letrozole71 claims
- Tamoxifen Citrate58 claims
- Oxycodone Hcl57 claims
- Ibrance52 claims
- Hydrocodone-Acetaminophen42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21,392.40
150 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Florida Cancer Specialists And Research Institute, LLCLecanto, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gustavo A. Fonseca among 561 medical oncology physician records in Florida
Gustavo A. Fonseca, MD is one of 561 medical oncology physician records with a practice address in Florida. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 46% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1985 · median 2000 among the 463 with a school on file
- Record last updated2026 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 medical oncology physician records list a practice address in Lecanto
They are 4 of the 260 NPPES records with a practice address in Lecanto, and 561 medical oncology physician records in Florida.
All 561 in Florida → Every provider in Lecanto → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Sunil Gandhi, MDLecanto, FL 344611811945231
- Nagapratap Ganta, MDLecanto, FL 344611134757883
- Sunil Rohatgi, MDLecanto, FL 344611912351727
- Susmitha Apuri, M.DInverness, FL 344531154598068
- Servillano Dela Cruz, M.D.Inverness, FL 344531255312591
- Wenqing Zhang, PHD, MDInverness, FL 344531720286594
- Patrick Acevedo, M.D.Ocala, FL 344711639132269
- Sean Cohen, MDOcala, FL 344711033734363
Common questions
What is Gustavo A. Fonseca, MD's NPI number?
Gustavo A. Fonseca, MD's National Provider Identifier (NPI) is 1063478766, issued on Apr 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gustavo A. Fonseca, MD located?
The NPPES record lists a practice address at 521 N Lecanto Hwy, Lecanto, FL, 34461. Phone: (352) 746-0707. Providers update this record themselves, so call before visiting.
How can I verify Gustavo A. Fonseca, MD's license?
NPPES lists Florida license number ME57124, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gustavo A. Fonseca, MD prescribe under Medicare Part D?
In 2024, Gustavo A. Fonseca, MD had 1,261 Medicare Part D claims for 266 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Gustavo A. Fonseca, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.