Dr. Patricio De Hoyos Zambrano, MD
What this data tells you about Dr. De Hoyos Zambrano
Dr. Patricio De Hoyos Zambrano is an internal medicine specialist in San Antonio, TX, with 13 years of NPI registration. Based on federal Medicare data, Dr. De Hoyos Zambrano performed 1,745 Medicare services across 1,069 unique beneficiaries.
Between the years covered by Open Payments, Dr. De Hoyos Zambrano received a total of $7,978 from 35 pharmaceutical and/or device companies across 231 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. 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. De Hoyos Zambrano 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 |
|---|---|---|---|
| Hospital follow-up visit, high complexity | 606 | $90 | $255 |
| Critical care, first 30-74 min | 356 | $162 | $668 |
| Office visit, established patient (30-39 min) | 163 | $93 | $259 |
| Hospital follow-up visit, moderate complexity | 129 | $61 | $177 |
| Initial hospital admission, high complexity | 121 | $129 | $496 |
| Test to examine how well the lungs exchange gases | 70 | $42 | $128 |
| Test to determine lung volumes using sensors | 58 | $40 | $124 |
| Test to measure expiratory airflow and volume changes before and after medication administration | 56 | $29 | $143 |
| New patient office visit (30-44 min) | 48 | $78 | $260 |
| Office visit, established patient (20-29 min) | 44 | $67 | $176 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 23 | $59 | $562 |
| Irrigation and suction of lung airways to obtain cells using an endoscope | 22 | $74 | $340 |
| Insertion of artery tube for blood sampling or infusion through skin | 20 | $33 | $128 |
| Test to measure expiratory airflow and volume | 18 | $19 | $85 |
| Emergent insertion of breathing tube into windpipe using an endoscope | 11 | $107 | $275 |
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 (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 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. De Hoyos Zambrano is a mixed practice specialist, with above-average Medicare volume (top 21% in TX), with low-engagement industry engagement in the top 11% of TX peers.
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. De Hoyos Zambrano experienced with hospital follow-up visit, high complexity?
Does Dr. De Hoyos Zambrano receive payments from pharmaceutical companies?
How do Dr. De Hoyos Zambrano's costs compare to other internal medicine physicians in San Antonio?
What does Data Coverage mean?
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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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