Dr. Marc Schwartzberg, M.D.
What this data tells you about Dr. Schwartzberg
Dr. Marc Schwartzberg is a radiation oncology in Leesburg, FL, with 19 years in practice. Based on federal Medicare data, Dr. Schwartzberg performed 39,114 Medicare services across 2,611 unique beneficiaries.
Between the years covered by Open Payments, Dr. Schwartzberg received a total of $8,968 from 21 pharmaceutical and/or device companies across 118 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. 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. Schwartzberg 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.
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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 36,840 | $0 | $2 |
| Chest X-ray, 2 views | 235 | $26 | $99 |
| CT scan of chest, without contrast | 141 | $95 | $407 |
| CT scan of abdomen and pelvis with contrast | 98 | $231 | $923 |
| Ct scan of blood vessels and grafts of heart with contrast | 94 | $223 | $1,005 |
| Ultrasound scan of head and neck soft tissue | 89 | $67 | $309 |
| Ct scan of chest with contrast | 87 | $97 | $522 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 86 | $83 | $350 |
| Limited ultrasound scan of abdomen | 79 | $60 | $262 |
| Ct scan of blood vessels of chest with contrast | 65 | $173 | $862 |
| Injection, midazolam hydrochloride, per 1 mg | 63 | $0 | $1 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 60 | $134 | $555 |
| Complete ultrasound scan of abdomen | 57 | $78 | $336 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | 55 | $294 | $1,158 |
| Ultrasound of both sides of head and neck blood flow | 55 | $140 | $547 |
| Ultrasound scan of organ tissue for measuring elasticity | 48 | $72 | $308 |
| CT scan of head/brain, without contrast | 46 | $30 | $123 |
| Ct scan of abdominal aorta and both leg arteries with contrast | 45 | $224 | $1,252 |
| Complete ultrasound scan behind abdominal cavity | 39 | $76 | $325 |
| Chest X-ray, 1 view | 37 | $20 | $77 |
| Limited ultrasound scan behind abdominal cavity | 35 | $37 | $172 |
| Ct scan of abdomen and pelvis without contrast | 34 | $131 | $556 |
| Fluoroscopic guidance for needle placement | 34 | $87 | $334 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 32 | $69 | $262 |
| Drainage of fluid from abdominal cavity using imaging guidance | 32 | $227 | $871 |
| Complete ultrasound scan of pelvis | 32 | $73 | $299 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 32 | $39 | $148 |
| Injection, fentanyl citrate, 0.1 mg | 28 | $1 | $40 |
| Fine needle aspiration biopsy using ultrasound guidance, first growth | 26 | $97 | $403 |
| Ct scan of heart with evaluation of blood vessel calcium | 25 | $73 | $302 |
| Injection, methylprednisolone acetate, 40 mg | 25 | $6 | $23 |
| Ct scan of blood vessels of abdomen with contrast | 23 | $204 | $932 |
| Shoulder X-ray, 2+ views | 22 | $7 | $29 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 22 | $9 | $33 |
| X-ray of knee, 4 or more views | 20 | $6 | $34 |
| Aspiration of fluid from chest cavity using imaging guidance | 19 | $230 | $974 |
| X-ray of lower and sacral spine, 2-3 views | 19 | $7 | $34 |
| X-ray of wrist, minimum of 3 views | 19 | $6 | $27 |
| X-ray of abdomen, 1 view | 19 | $7 | $27 |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | 18 | $646 | $2,554 |
| Biopsy and aspiration of bone marrow sample for diagnosis | 18 | $136 | $515 |
| Review by radiologist of ct guidance for needle placement | 18 | $57 | $215 |
| Ultrasound study of arm and leg arteries | 18 | $48 | $244 |
| X-ray of ankle, minimum of 3 views | 17 | $6 | $26 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 17 | $89 | $353 |
| Ultrasound of abdomen and pelvis artery and vein blood flow | 17 | $89 | $467 |
| Ct scan of abdomen and pelvis before and after contrast | 16 | $234 | $883 |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | 16 | $32 | $129 |
| Ultrasonic guidance for needle placement | 16 | $46 | $172 |
| Ct scan of blood vessels of neck with contrast | 14 | $66 | $257 |
| Mri scan of brain without contrast | 14 | $49 | $218 |
| X-ray of lower and sacral spine, minimum of 4 views | 14 | $40 | $150 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 14 | $15 | $57 |
| Ultrasound scan of chest | 13 | $21 | $85 |
| Ultrasonic guidance for blood vessel access | 12 | $31 | $117 |
| Ultrasound of leg arteries or artery grafts | 12 | $164 | $713 |
| Ct scan of upper spine without contrast | 11 | $37 | $144 |
| Hip X-ray, 2-3 views | 11 | $36 | $138 |
| Complete ultrasound study of arm and leg arteries | 11 | $92 | $380 |
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 (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 9% for radiation oncology in FL.
Geographic Context
0.0 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. Schwartzberg is a mixed practice specialist, with above-average Medicare volume (top 6% in FL), and high industry engagement (low-engagement, top 9%), with 19 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Schwartzberg experienced with contrast dye for imaging (iodine-based)?
Does Dr. Schwartzberg receive payments from pharmaceutical companies?
How do Dr. Schwartzberg's costs compare to other radiation oncologys in Leesburg?
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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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