Dr. Matthew Stemer, M.D.
What this data tells you about Dr. Stemer
Dr. Matthew Stemer is a vascular & interventional radiology physician in Lakeland, FL, with 15 years in practice. Based on federal Medicare data, Dr. Stemer performed 3,007 Medicare services across 2,663 unique beneficiaries.
Between the years covered by Open Payments, Dr. Stemer received a total of $10,119 from 21 pharmaceutical and/or device companies across 176 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in vascular & interventional radiology physician. 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. Stemer 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 |
|---|---|---|---|
| Chest X-ray, 1 view | 650 | $7 | $35 |
| CT scan of head/brain, without contrast | 216 | $30 | $250 |
| Drainage of fluid from abdominal cavity using imaging guidance | 130 | $81 | $418 |
| Chest X-ray, 2 views | 128 | $8 | $42 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 127 | $10 | $176 |
| Aspiration of fluid from chest cavity using imaging guidance | 126 | $85 | $440 |
| Ct scan of abdomen and pelvis without contrast | 85 | $63 | $320 |
| Ultrasonic guidance for blood vessel access | 82 | $12 | $58 |
| Ct scan of blood vessels of head with contrast | 77 | $65 | $321 |
| Ct scan of blood vessels of neck with contrast | 77 | $62 | $323 |
| Review by radiologist of ct guidance for needle placement | 74 | $56 | $213 |
| Ct scan of blood vessels of chest with contrast | 69 | $68 | $353 |
| CT scan of abdomen and pelvis with contrast | 68 | $65 | $340 |
| Review by radiologist of additional artery image | 67 | $37 | $68 |
| X-ray of abdomen, 1 view | 60 | $7 | $35 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 58 | $14 | $68 |
| Ultrasound scan of chest | 55 | $21 | $100 |
| Ct scan of upper spine without contrast | 50 | $35 | $211 |
| Ultrasound of both sides of head and neck blood flow | 41 | $29 | $112 |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | 38 | $118 | $549 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 38 | $17 | $85 |
| Review by radiologist of pelvis artery image | 37 | $42 | $213 |
| X-ray of pelvis, 1-2 views | 31 | $7 | $32 |
| Limited ultrasound scan of abdomen | 31 | $22 | $109 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 31 | $26 | $130 |
| Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch | 30 | $134 | $1,369 |
| Ultrasound of leg arteries or artery grafts | 30 | $29 | $109 |
| Mri scan of brain without contrast | 26 | $53 | $271 |
| Limited or follow-up ct scan | 26 | $36 | $178 |
| Complete ultrasound scan behind abdominal cavity | 26 | $27 | $134 |
| Ultrasound of one leg arteries or artery grafts | 26 | $18 | $75 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 24 | $203 | $1,070 |
| CT scan of chest, without contrast | 24 | $40 | $211 |
| Ct scan of lower spine without contrast | 24 | $37 | $211 |
| Nuclear medicine study of stomach to assess emptying | 23 | $29 | $143 |
| Occlusion of growths or obstructed vessels with review by radiologist | 21 | $441 | $2,411 |
| Ultrasonic guidance for needle placement | 21 | $24 | $123 |
| Drainage of fluid from chest cavity with insertion of indwelling tube using imaging guidance | 20 | $112 | $676 |
| Biopsy and aspiration of bone marrow sample for diagnosis | 18 | $60 | $302 |
| X-ray of shoulder, 1 view | 18 | $5 | $28 |
| X-ray of ribs on side of body, minimum of 3 views | 17 | $9 | $49 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | 17 | $82 | $408 |
| Ct scan of abdominal aorta and both leg arteries with contrast | 16 | $89 | $444 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 15 | $63 | $456 |
| Insertion of central venous tube with port (5 years or older) | 14 | $267 | $1,268 |
| Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | 14 | $69 | $328 |
| Needle biopsy of liver through skin | 13 | $66 | $315 |
| Needle biopsy of growth of abdominal cavity | 13 | $66 | $322 |
| Ct scan of pelvis without contrast | 13 | $38 | $200 |
| X-ray of knee, 1-2 views | 13 | $6 | $32 |
| X-ray of foot, 2 views | 13 | $6 | $29 |
| Ct scan of leg without contrast | 13 | $37 | $200 |
| Ct scan of face without contrast | 11 | $28 | $207 |
| X-ray of hip, 1 view | 11 | $7 | $37 |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | 11 | $40 | $341 |
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.
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. Stemer is a mixed practice specialist, with moderate Medicare volume, and low-engagement industry engagement, with 15 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. Stemer experienced with chest x-ray, 1 view?
Does Dr. Stemer receive payments from pharmaceutical companies?
How do Dr. Stemer's costs compare to other vascular & interventional radiology physicians in Lakeland?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology