Dr. Gustavo Westin, MD, MPH
What this data tells you about Dr. Westin
Dr. Gustavo Westin is a hematology specialist in Fort Myers, FL, with 14 years of NPI registration. Based on federal Medicare data, Dr. Westin performed 85,328 Medicare services across 5,592 unique beneficiaries.
Between the years covered by Open Payments, Dr. Westin received a total of $19,546 from 82 pharmaceutical and/or device companies across 845 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in hematology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Westin is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Florida License Status
FL DOH · MQA| Profession | License # | Status | Expires | Board Action |
|---|---|---|---|---|
| Medical Doctor | 170173 | Clear | January 31, 2027 | — |
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Iron infusion (Feraheme) An injection of ferumoxytol used to treat iron deficiency anemia in patients not on dialysis. |
41,310 | $0 | $4 |
| Pembrolizumab injection (Keytruda) | 12,600 | $41 | $171 |
| Denosumab injection (Prolia/Xgeva) | 5,820 | $18 | $74 |
| Lutetium Lu 177 vipivotide tetraxetan therapeutic injection A therapeutic injection of Lutetium Lu 177 vipivotide tetraxetan administered in units of millicuries. |
3,651 | $248 | $744 |
| Iron infusion (Monoferric) | 3,500 | $15 | $81 |
| Epoetin alfa injection (Procrit) for anemia An injection of epoetin alfa containing 1000 units for use in patients not on end-stage renal disease (ESRD) dialysis. |
3,090 | $6 | $42 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
1,852 | $0 | $3 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
1,650 | $8 | $38 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
1,494 | $8 | $13 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
1,352 | $88 | $418 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
595 | $4 | $22 |
| Lactate dehydrogenase (LDH) level test A blood test that measures the amount of lactate dehydrogenase, an enzyme found in many body tissues. It helps assess tissue damage or disease. |
594 | $6 | $30 |
| Anti-nausea injection (ondansetron/Zofran) | 556 | $0 | $1 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
528 | $10 | $66 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
426 | $10 | $78 |
| Flow cytometry, additional marker An additional marker is tested during a flow cytometry procedure to analyze DNA or cells. This step adds specific data points to the initial analysis. |
414 | $16 | $139 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
326 | $127 | $495 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
320 | $62 | $283 |
| Additional sequential IV infusion, 1 hour or less This code represents an additional intravenous infusion administered sequentially to a primary infusion. It covers the administration time of one hour or less. |
298 | $20 | $237 |
| Pegfilgrastim injection, 0.5 mg An injection of pegfilgrastim, a medication that stimulates the production of white blood cells. This specific code applies to the brand-name drug and excludes biosimilar versions. |
288 | $85 | $637 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
279 | $92 | $589 |
| Carboplatin chemotherapy injection, 50 mg Administration of a 50 mg dose of carboplatin, a chemotherapy medication, via injection. |
259 | $2 | $11 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
248 | $13 | $48 |
| Iron level test | 245 | $6 | $28 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
245 | $9 | $38 |
| Basic blood chemical test (calcium, ionized) A blood test that measures basic chemical levels, specifically including calcium and ionized calcium. |
225 | $13 | $48 |
| Immunoglobulin level test A blood test that measures the level of gammaglobulins, which are immune system proteins. |
184 | $9 | $40 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
179 | $2 | $9 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
146 | $15 | $74 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
139 | $11 | $68 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
138 | $14 | $64 |
| Automated red blood cell count An automated laboratory test that measures the number of red blood cells in a blood sample. |
138 | $4 | $17 |
| Nephelometry test A laboratory test that uses light scattering to measure the concentration of specific substances in a sample. |
128 | $13 | $48 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
125 | $42 | $289 |
| Normal saline infusion, 500 ml Administration of sterile normal saline solution through an intravenous line. This procedure involves the infusion of a 500 ml unit of the solution. |
123 | $1 | $5 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
120 | $8 | $48 |
| Zoledronic acid injection, 1 mg An injection of zoledronic acid administered at a dose of 1 mg. |
97 | $5 | $45 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
94 | $25 | $151 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
91 | $20 | $115 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
89 | $1 | $7 |
| New patient office visit, complex (60-74 min) | 88 | $150 | $709 |
| Intravenous infusion of new drug or substance, 1 hour or less This procedure involves administering a new medication or substance directly into a vein through an existing access site. The infusion is completed within one hour or less. |
85 | $45 | $254 |
| Intravenous hydration infusion, 31-60 minutes Administration of fluids into a vein to maintain hydration. This procedure involves an infusion lasting between 31 and 60 minutes. |
78 | $23 | $152 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
76 | $1 | $2 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
72 | $7 | $29 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
68 | $16 | $73 |
| Liver function blood test panel | 67 | $8 | $40 |
| Injection, fosnetupitant 235 mg and palonosetron 0.25 mg | 64 | $331 | $2,115 |
| CT scan of chest with contrast A computed tomography scan of the chest using a contrast dye to enhance the visibility of internal structures. |
54 | $74 | $745 |
| Total cortisol level test A blood test that measures the total amount of cortisol hormone in your body. Cortisol is a hormone produced by the adrenal glands. |
53 | $16 | $57 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
53 | $9 | $39 |
| Telephone medical discussion, 21-30 minutes A telephone conversation with a physician lasting between 21 and 30 minutes. This code covers the time spent discussing medical matters over the phone. |
52 | $91 | $386 |
| CT scan of abdomen and pelvis with contrast A CT scan that uses dye to create detailed images of the abdomen and pelvis. This imaging test helps doctors examine internal organs and structures in these areas. |
48 | $141 | $1,123 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
44 | $59 | $253 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
43 | $15 | $73 |
| Unclassified drug A medication that does not fit into standard HCPCS or CPT classification categories. |
42 | $0 | $2 |
| Blood creatinine level test A blood test that measures the amount of creatinine, a waste product from muscle wear and tear, to help assess kidney function. |
40 | $5 | $22 |
| Subcutaneous or intramuscular chemotherapy injection This procedure involves administering anti-cancer hormonal medication through an injection into the tissue under the skin or into a muscle. |
40 | $24 | $116 |
| PSA test (prostate cancer screening) | 38 | $18 | $79 |
| Venipuncture for blood collection A procedure to draw blood from a vein for medical testing or analysis. |
34 | $65 | $329 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
34 | $124 | $706 |
| Carcinoembryonic antigen (CEA) level test A blood test that measures the level of carcinoembryonic antigen (CEA) protein. This test is used to monitor certain types of cancer. |
30 | $19 | $82 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
26 | $88 | $363 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
25 | $4 | $17 |
| CT scan of chest, without contrast A computed tomography scan of the chest area that uses X-rays to create detailed images without the use of contrast dye. |
24 | $57 | $598 |
| Radioactive drug therapy through a vein Administration of a radioactive medication directly into the bloodstream via an intravenous line. |
20 | $83 | $459 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
19 | $3 | $12 |
| Flow cytometry DNA or cell analysis, first marker A laboratory test that uses a laser to analyze cells or DNA by detecting a specific marker on the cell surface or within the cell. |
18 | $47 | $245 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
13 | $119 | $562 |
| Bone marrow biopsy and aspiration A procedure to remove a small sample of bone marrow and liquid for laboratory testing. The sample is analyzed to help diagnose various medical conditions. |
12 | $125 | $569 |
| CT scan of abdomen and pelvis, without contrast A computed tomography scan that creates detailed images of the abdominal and pelvic organs. The procedure is performed without the use of intravenous contrast dye. |
12 | $67 | $668 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (81%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
8.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Westin is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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