Dr. Gregory Diaz, M.D.
What this data tells you about Dr. Diaz
Dr. Gregory Diaz is an optician in Beaumont, TX, with 20 years in practice. Based on federal Medicare data, Dr. Diaz performed 3,835 Medicare services across 3,337 unique beneficiaries.
The Data Coverage level for Dr. Diaz 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 |
|---|---|---|---|
| Chest X-ray, 1 view | 1,072 | $6 | $27 |
| CT scan of head/brain, without contrast | 286 | $28 | $185 |
| Mri scan of brain without contrast | 168 | $50 | $302 |
| Chest X-ray, 2 views | 167 | $6 | $32 |
| Mri scan of lower spinal canal without contrast | 105 | $53 | $302 |
| CT scan of abdomen and pelvis with contrast | 102 | $62 | $325 |
| X-ray of abdomen, 1 view | 93 | $6 | $27 |
| Ct scan of blood vessels of chest with contrast | 83 | $60 | $270 |
| Mri scan of brain with contrast | 82 | $64 | $365 |
| Ct scan of abdomen and pelvis without contrast | 73 | $63 | $300 |
| Mri scan of leg joint without contrast | 71 | $49 | $275 |
| Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 70 | $21 | $75 |
| Complete ultrasound scan of 1 breast | 69 | $28 | $156 |
| CT scan of chest, without contrast | 68 | $38 | $270 |
| Hip X-ray, 2-3 views | 68 | $8 | $39 |
| Mri scan of upper spinal canal without contrast | 62 | $53 | $320 |
| Ct scan of chest with contrast | 57 | $40 | $280 |
| Complete ultrasound scan behind abdominal cavity | 51 | $25 | $153 |
| Ct scan of upper spine without contrast | 46 | $34 | $236 |
| X-ray of lower and sacral spine, minimum of 4 views | 43 | $9 | $71 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 42 | $16 | $118 |
| Knee X-ray, 3 views | 41 | $7 | $38 |
| Ct scan of blood vessels of neck with contrast | 40 | $58 | $350 |
| Limited ultrasound scan of abdomen | 38 | $20 | $122 |
| Ct scan of blood vessels of head with contrast | 37 | $61 | $328 |
| Shoulder X-ray, 2+ views | 37 | $7 | $37 |
| Foot X-ray, 3+ views | 37 | $6 | $36 |
| Diagnostic mammography of 1 breast | 36 | $29 | $150 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 36 | $25 | $139 |
| Diagnostic mammography of both breasts | 34 | $34 | $150 |
| X-ray of knee, 1-2 views | 33 | $6 | $34 |
| Imaging for evaluation of swallowing function | 33 | $19 | $111 |
| 3D screening mammography (tomosynthesis) | 30 | $27 | $75 |
| Mri scan of pelvis with contrast | 29 | $63 | $360 |
| Screening mammography | 29 | $34 | $125 |
| Mri scan of arm joint without contrast | 26 | $49 | $275 |
| Complete ultrasound scan of abdomen | 24 | $27 | $166 |
| Mri scan of abdomen with contrast | 23 | $61 | $360 |
| X-ray of ankle, minimum of 3 views | 21 | $6 | $35 |
| Single contrast x-ray of small intestine | 21 | $29 | $96 |
| Nuclear medicine study of liver and bile duct system | 20 | $26 | $125 |
| Mri scan of abdomen without contrast | 19 | $48 | $300 |
| Mri scan of blood vessels of head without contrast | 18 | $40 | $347 |
| X-ray of abdomen, 2 views | 18 | $7 | $35 |
| Nuclear medicine study of bone and/or joint whole body | 18 | $30 | $177 |
| Mri scan of lower spinal canal with contrast | 17 | $64 | $365 |
| Mri scan of middle spinal canal without contrast | 16 | $53 | $328 |
| X-ray of pelvis, 1-2 views | 16 | $6 | $34 |
| Nuclear medicine study of lung circulation | 16 | $25 | $156 |
| Ultrasound of both sides of head and neck blood flow | 16 | $28 | $202 |
| X-ray of lower and sacral spine, 2-3 views | 15 | $7 | $45 |
| X-ray of thigh bone, minimum 2 views | 15 | $6 | $33 |
| Mri scan of blood vessels of neck without contrast | 14 | $42 | $225 |
| X-ray of upper spine, 4-5 views | 14 | $10 | $63 |
| X-ray of wrist, minimum of 3 views | 14 | $6 | $35 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | 14 | $74 | $350 |
| X-ray of lower leg, 2 views | 13 | $5 | $34 |
| X-ray of ribs on side of body, 2 views | 12 | $8 | $46 |
| Ct scan of leg without contrast | 12 | $33 | $232 |
| Ct scan of face without contrast | 11 | $28 | $232 |
| Ct scan of soft tissue of neck with contrast | 11 | $50 | $281 |
| Low dose ct scan of chest for lung cancer screening | 11 | $49 | $142 |
| Single contrast x-ray of esophagus | 11 | $20 | $95 |
| Ultrasound scan of head and neck soft tissue | 11 | $19 | $122 |
Geographic Context
2.5 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. Diaz is a mixed practice specialist, with above-average Medicare volume (top 17% in TX), with 20 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
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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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