Dr. Alejandro Hernandez Hernandez, MD
What this data tells you about Dr. Hernandez Hernandez
Dr. Alejandro Hernandez Hernandez is an undersea and hyperbaric medicine physician in Mercedes, TX, with 12 years of NPI registration. Based on federal Medicare data, Dr. Hernandez Hernandez performed 4,741 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Hernandez Hernandez received a total of $4,076 from 23 pharmaceutical and/or device companies across 151 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Hernandez Hernandez is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
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 |
|---|---|---|---|
| Nursing facility visit, low complexity A daily follow-up visit for an existing patient in a nursing facility involving straightforward medical decision making. The visit requires at least 15 minutes of time if time is used to determine the level of care. |
1,593 | $56 | $164 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
908 | $60 | $110 |
| Nursing facility visit, moderate complexity A follow-up visit by a healthcare provider at a nursing facility for an established patient. The visit involves moderate medical decision making and takes at least 30 minutes. |
629 | $81 | $305 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
458 | $55 | $132 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
330 | $91 | $163 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
240 | $83 | $165 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
151 | $99 | $250 |
| Nursing facility visit, established patient, straightforward A follow-up visit by a healthcare provider at a nursing facility for an established patient. The visit involves straightforward medical decision making and lasts at least 10 minutes. |
138 | $30 | $295 |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 124 | $60 | $250 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
64 | $133 | $265 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
53 | $27 | $75 |
| Initial nursing facility care, moderate complexity Initial care provided to a patient in a nursing facility with moderate medical decision making, taking at least 35 minutes. |
34 | $102 | $350 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
19 | $96 | $250 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
7.5 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Hernandez Hernandez is a clinical cardiology specialist, with above-average Medicare volume (top 10% in TX).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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. Data Coverage reflects 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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