Dr. Christina Diaz, MD
What this data tells you about Dr. Diaz
Dr. Christina Diaz is a neurology specialist in St Petersburg, FL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Diaz performed 11,800 Medicare services across 944 unique beneficiaries.
Between the years covered by Open Payments, Dr. Diaz received a total of $37,000 from 78 pharmaceutical and/or device companies across 1111 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurology. 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. Diaz 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 |
|---|---|---|---|
| Botox injection, per unit | 10,400 | $5 | $8 |
| Office visit, established patient (30-39 min) | 408 | $85 | $200 |
| Office visit, established patient, complex (40-54 min) | 214 | $134 | $292 |
| Administration of psychological or neuropsychological test, each additional 30 minutes | 191 | $30 | $85 |
| Evaluation of neuropsychological test, each additional hour | 152 | $77 | $202 |
| New patient office visit, complex (60-74 min) | 139 | $163 | $412 |
| EEG, extended monitoring | 57 | $323 | $800 |
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | 53 | $125 | $229 |
| Exam of neurobehavioral status, first hour | 41 | $71 | $200 |
| Evaluation of neuropsychological test, first hour | 41 | $100 | $266 |
| Needle measurement of electrical activity in arm or leg muscles, complete study | 38 | $75 | $179 |
| Administration of psychological or neuropsychological test, first 30 minutes | 34 | $33 | $100 |
| Nerve conduction, 7-8 studies | 18 | $132 | $330 |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 14 | $25 | $70 |
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 (75%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 10% for neurology 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. Diaz is a mixed practice specialist, with above-average Medicare volume (top 10% in FL), with low-engagement industry engagement in the top 10% of FL peers, with 20 years of NPI registration.
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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