Dr. Michael Mahlmann, M.D.
What this data tells you about Dr. Mahlmann
Dr. Michael Mahlmann is a radiation oncology specialist in Houston, TX, with 13 years of NPI registration. Based on federal Medicare data, Dr. Mahlmann performed 6,053 Medicare services across 5,502 unique beneficiaries.
Between the years covered by Open Payments, Dr. Mahlmann received a total of $21 from 1 pharmaceutical and/or device company across 1 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. Mahlmann 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 | 1,396 | $6 | $43 |
| Screening mammography | 314 | $36 | $171 |
| 3D screening mammography (tomosynthesis) | 306 | $28 | $135 |
| CT scan of head/brain, without contrast | 293 | $27 | $254 |
| CT scan of abdomen and pelvis with contrast | 256 | $60 | $610 |
| Bone density scan (DEXA) | 243 | $9 | $67 |
| Hip X-ray, 2-3 views | 218 | $7 | $51 |
| X-ray of abdomen, 1 view | 160 | $6 | $41 |
| Ct scan of chest with contrast | 117 | $40 | $305 |
| Ct scan of blood vessels of chest with contrast | 114 | $64 | $410 |
| CT scan of chest, without contrast | 113 | $37 | $293 |
| Ct scan of abdomen and pelvis without contrast | 113 | $58 | $586 |
| Foot X-ray, 3+ views | 104 | $6 | $43 |
| Ct scan of upper spine without contrast | 103 | $32 | $318 |
| Shoulder X-ray, 2+ views | 87 | $6 | $43 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | 86 | $85 | $536 |
| X-ray of lower and sacral spine, 2-3 views | 80 | $7 | $59 |
| Mri scan of pelvis before and after contrast | 79 | $73 | $495 |
| Mri scan of abdomen before and after contrast | 72 | $76 | $495 |
| X-ray of knee, 1-2 views | 69 | $5 | $38 |
| X-ray of hand, minimum of 3 views | 68 | $6 | $40 |
| X-ray of knee, 4 or more views | 66 | $7 | $51 |
| X-ray of wrist, minimum of 3 views | 65 | $6 | $41 |
| Complete ultrasound scan behind abdominal cavity | 64 | $24 | $166 |
| Ultrasound scan of head and neck soft tissue | 53 | $19 | $153 |
| Ct scan of abdomen and pelvis before and after contrast | 50 | $72 | $652 |
| X-ray of ankle, minimum of 3 views | 48 | $6 | $40 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 46 | $16 | $154 |
| X-ray of lower leg, 2 views | 43 | $6 | $37 |
| Ct scan of blood vessels of head with contrast | 41 | $60 | $394 |
| X-ray of pelvis, 1-2 views | 41 | $6 | $43 |
| Ct scan of blood vessels of neck with contrast | 40 | $61 | $394 |
| Single contrast x-ray of esophagus | 39 | $21 | $152 |
| Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 39 | $22 | $135 |
| X-ray of elbow, minimum of 3 views | 37 | $6 | $45 |
| Limited ultrasound scan of abdomen | 37 | $21 | $153 |
| Drainage of fluid from abdominal cavity using imaging guidance | 35 | $82 | $438 |
| Mri scan of leg joint without contrast | 35 | $44 | $307 |
| Mri scan of arm joint without contrast | 32 | $48 | $307 |
| Diagnostic mammography of 1 breast | 29 | $28 | $183 |
| X-ray of thigh bone, minimum 2 views | 27 | $7 | $43 |
| Knee X-ray, 3 views | 27 | $5 | $43 |
| X-ray of abdomen, 2 views | 27 | $8 | $52 |
| Ultrasound of both sides of head and neck blood flow | 27 | $29 | $345 |
| Insertion of tube for infusion with imaging guidance and review by radiologist, patient 5 years or older | 26 | $63 | $250 |
| Low dose ct scan of chest for lung cancer screening | 26 | $51 | $207 |
| X-ray of lower and sacral spine, minimum of 4 views | 25 | $9 | $74 |
| Mri scan of lower spinal canal without contrast | 25 | $54 | $335 |
| Ct scan of pelvis without contrast | 25 | $38 | $293 |
| X-ray of upper spine, 2-3 views | 24 | $7 | $58 |
| Ct scan of lower spine without contrast | 23 | $35 | $318 |
| Imaging guidance for procedure, 60 minutes or less | 23 | $11 | $121 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 23 | $24 | $231 |
| Mri scan of brain without contrast | 21 | $48 | $334 |
| X-ray of ribs on side of body, 2 views | 21 | $7 | $69 |
| X-ray of forearm, 2 views | 21 | $6 | $38 |
| Complete ultrasound study of arm and leg arteries | 21 | $16 | $357 |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | 20 | $23 | $125 |
| Mri scan of upper spinal canal without contrast | 19 | $50 | $335 |
| Ultrasound of abdomen and pelvis artery and vein blood flow | 19 | $22 | $225 |
| Ct scan of face without contrast | 18 | $26 | $253 |
| X-ray of foot, 2 views | 18 | $5 | $39 |
| Ct scan of leg without contrast | 18 | $37 | $247 |
| Ct scan of abdomen before and after contrast | 18 | $50 | $326 |
| Imaging of urinary tract following injection of a contrast agent | 18 | $19 | $116 |
| Limited ultrasound scan of 1 breast | 18 | $22 | $154 |
| Nuclear medicine study of lymphatic system | 18 | $41 | $265 |
| Nuclear medicine study of bone and/or joint limited area | 18 | $23 | $140 |
| X-ray of middle spine, 2 views | 17 | $7 | $51 |
| Diagnostic mammography of both breasts | 17 | $37 | $226 |
| Nuclear medicine studies of heart muscle at rest and with stress with single 2d image | 16 | $46 | $299 |
| Ct scan of lower spine with contrast | 15 | $37 | $318 |
| X-ray of upper arm, minimum of 2 views | 15 | $6 | $38 |
| Ct scan of arm without contrast | 15 | $32 | $247 |
| Chest X-ray, 2 views | 14 | $7 | $49 |
| X-ray of elbow, 2 views | 14 | $5 | $40 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 14 | $60 | $356 |
| Ct scan of middle spine without contrast | 12 | $34 | $318 |
| Ct scan of middle spine with contrast | 12 | $34 | $318 |
| X-ray of toe, minimum of 2 views | 12 | $5 | $37 |
| Ct scan of heart with evaluation of blood vessel calcium | 12 | $22 | $130 |
| Mri scan of both breasts | 12 | $86 | $516 |
| X-ray of upper spine, 4-5 views | 11 | $9 | $71 |
Industry Payment Transparency
Open Payments through 2021 ↗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 (2021)
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 2021 |
| 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. Mahlmann is a mixed practice specialist, with above-average Medicare volume (top 14% in TX), 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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