Dr. Gerardo Zavala, MD
What this data tells you about Dr. Zavala
Dr. Gerardo Zavala is a neurological surgery in San Antonio, TX, with 17 years in practice. Based on federal Medicare data, Dr. Zavala performed 2,749 Medicare services across 1,264 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zavala received a total of $2,270 from 12 pharmaceutical and/or device companies across 27 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological surgery. 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. Zavala 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 |
|---|---|---|---|
| Physical therapy exercise, per 15 min | 1,066 | $18 | $60 |
| Needle measurement of electrical activity in arm or leg muscles, complete study | 298 | $72 | $400 |
| Office visit, established patient (30-39 min) | 233 | $94 | $250 |
| Office visit, established patient (20-29 min) | 147 | $62 | $176 |
| Functional activity therapy | 132 | $28 | $80 |
| Nerve conduction, 9-10 studies | 116 | $152 | $903 |
| Fusion of additional segment of spine | 89 | $272 | $2,195 |
| New patient office visit (45-59 min) | 86 | $113 | $300 |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | 71 | $145 | $1,176 |
| X-ray of lower and sacral spine, minimum of 4 views | 51 | $38 | $280 |
| X-ray of lower and sacral spine, 2-3 views | 50 | $26 | $78 |
| X-ray lower and sacral spine, 2-3 views bending views | 50 | $27 | $80 |
| X-ray of upper spine, 4-5 views | 46 | $39 | $104 |
| Evaluation for physical therapy, typically 45 minutes | 41 | $69 | $160 |
| Bone density scan (DEXA) | 37 | $36 | $100 |
| Manual therapy (hands-on treatment), per 15 min | 31 | $16 | $60 |
| Evaluation for physical therapy, typically 30 minutes | 31 | $67 | $160 |
| Application of ultrasound, each 15 minutes | 28 | $8 | $40 |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 25 | $448 | $6,081 |
| Electrical stimulation therapy | 22 | $7 | $40 |
| Fusion of spine in lower back | 19 | $1,033 | $8,724 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | 18 | $193 | $1,350 |
| Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk | 18 | $31 | $80 |
| Placement of stabilizing device to back, 3-6 spine bone segments | 17 | $541 | $4,122 |
| Nerve conduction, 13 or more studies | 16 | $207 | $1,000 |
| Re-evaluation for physical therapy, typically 20 minutes | 11 | $47 | $120 |
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
3.1 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. Zavala is a clinical cardiology specialist, with above-average Medicare volume (top 2% in TX), and low-engagement industry engagement, with 17 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. Zavala experienced with physical therapy exercise, per 15 min?
Does Dr. Zavala receive payments from pharmaceutical companies?
How do Dr. Zavala's costs compare to other neurological surgerys in San Antonio?
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Explore related providers
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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