Dr. Siegfried Holz, M.D.
What this data tells you about Dr. Holz
Dr. Siegfried Holz is an optician in Lakeland, FL, with 18 years in practice. Based on federal Medicare data, Dr. Holz performed 34,207 Medicare services across 2,237 unique beneficiaries.
The Data Coverage level for Dr. Holz is 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) | 26,211 | $0 | $2 |
| MRI contrast dye injection (gadoterate) | 6,000 | $0 | $1 |
| Chest X-ray, 2 views | 337 | $20 | $158 |
| CT scan of chest, without contrast | 133 | $100 | $847 |
| Bone density scan (DEXA) | 82 | $37 | $206 |
| Ct scan of abdomen and pelvis before and after contrast | 81 | $253 | $1,731 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 78 | $83 | $631 |
| CT scan of abdomen and pelvis with contrast | 69 | $219 | $1,516 |
| Hip X-ray, 2-3 views | 67 | $32 | $221 |
| Ct scan of abdomen and pelvis without contrast | 66 | $145 | $1,002 |
| Shoulder X-ray, 2+ views | 65 | $23 | $264 |
| X-ray of lower and sacral spine, 2-3 views | 59 | $29 | $186 |
| Knee X-ray, 3 views | 58 | $27 | $346 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 58 | $136 | $1,019 |
| Blood draw (venipuncture) | 49 | $8 | $20 |
| X-ray of hand, minimum of 3 views | 49 | $29 | $293 |
| Foot X-ray, 3+ views | 49 | $23 | $292 |
| Blood creatinine level | 49 | $5 | $14 |
| X-ray of lower and sacral spine, minimum of 4 views | 45 | $39 | $260 |
| Ct scan of chest with contrast | 39 | $89 | $992 |
| X-ray of knee, 1-2 views | 34 | $24 | $315 |
| X-ray of abdomen, 1 view | 33 | $21 | $144 |
| Complete ultrasound scan of abdomen | 33 | $75 | $606 |
| Limited ultrasound scan of abdomen | 29 | $53 | $463 |
| Low dose ct scan of chest for lung cancer screening | 27 | $138 | $756 |
| X-ray of upper spine, 2-3 views | 27 | $29 | $186 |
| X-ray of both hips, 3-4 views | 26 | $37 | $255 |
| X-ray of ankle, minimum of 3 views | 26 | $27 | $303 |
| Ct scan of blood vessels of chest with contrast | 25 | $182 | $1,516 |
| Complete ultrasound scan behind abdominal cavity | 25 | $69 | $574 |
| X-ray of upper spine, 4-5 views | 24 | $40 | $256 |
| Ultrasound scan of head and neck soft tissue | 24 | $73 | $595 |
| X-ray of middle spine, 3 views | 21 | $29 | $184 |
| Mri scan of pelvis before and after contrast | 21 | $173 | $1,910 |
| Ultrasound scan of organ tissue for measuring elasticity | 20 | $75 | $553 |
| Ct scan of chest before and after contrast | 19 | $123 | $1,222 |
| Ultrasound of leg arteries or artery grafts | 19 | $187 | $1,343 |
| X-ray of wrist, minimum of 3 views | 18 | $29 | $313 |
| Mri scan of abdomen before and after contrast | 18 | $192 | $1,918 |
| Ultrasound of both sides of head and neck blood flow | 18 | $134 | $1,048 |
| Mri scan of brain before and after contrast | 17 | $141 | $1,832 |
| Complete ultrasound scan of pelvis | 17 | $70 | $559 |
| X-ray of knee, 4 or more views | 16 | $31 | $399 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | 15 | $304 | $2,004 |
| Ct scan of abdomen before and after contrast | 11 | $175 | $1,306 |
Geographic Context
8.3 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | — No payments | N/A |
| Disciplinary History | — Not public | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Holz is a mixed practice specialist, with above-average Medicare volume (top 2% in FL), with 18 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. Holz experienced with contrast dye for imaging (iodine-based)?
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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 ↗, 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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