Dr. John Zavala, MD
What this data tells you about Dr. Zavala
Dr. John Zavala is a sports medicine physician in Rockwall, TX, with 18 years of NPI registration. Based on federal Medicare data, Dr. Zavala performed 9,885 Medicare services across 3,188 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zavala received a total of $1,972 from 18 pharmaceutical and/or device companies across 55 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in sports medicine (orthopaedic surgery) physician. 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 |
|---|---|---|---|
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
1,820 | $1 | $3 |
| Physical therapy exercise, per 15 min A therapy session using exercises to improve strength, endurance, range of motion, and flexibility. Each 15-minute unit is billed separately. |
1,278 | $17 | $72 |
| Hyaluronan joint injection, 1 mg An injection of hyaluronan or a derivative into a joint space to supplement joint fluid. |
1,021 | $21 | $55 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
1,010 | $54 | $182 |
| Viscosupplementation injection for joint An injection of hyaluronic acid or a derivative into a joint to provide lubrication and cushioning. |
808 | $58 | $186 |
| 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. |
466 | $63 | $219 |
| Manual therapy (hands-on treatment), per 15 min | 441 | $15 | $67 |
| Group therapy session A therapeutic session conducted with multiple patients simultaneously. This code covers the provision of therapy services in a group setting. |
427 | $10 | $44 |
| Neuromuscular re-education therapy, per 15 min A therapy procedure designed to re-educate the functional connection between the brain, nerves, and muscles. It is billed in 15-minute increments. |
395 | $22 | $83 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
351 | $32 | $113 |
| 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. |
301 | $85 | $310 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
289 | $0 | $0 |
| Functional activity therapy A therapy procedure that utilizes functional activities as part of the treatment process. |
268 | $25 | $91 |
| 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. |
215 | $103 | $404 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
192 | $25 | $84 |
| 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. |
135 | $40 | $137 |
| Evaluation for physical therapy, typically 20 minutes | 94 | $70 | $247 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
65 | $77 | $292 |
| Knee X-ray, 3 views An X-ray imaging test of the knee joint that captures three different angles to evaluate the bones and surrounding structures. |
47 | $27 | $99 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
43 | $32 | $114 |
| Foot X-ray, 3+ views An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints. |
43 | $24 | $83 |
| Wrist X-ray, minimum 3 views An imaging test using X-rays to capture at least three different angles of the wrist bones and joints. |
42 | $30 | $99 |
| Ankle X-ray, minimum 3 views An X-ray imaging test of the ankle that captures at least three different angles to evaluate the bones and joints. |
25 | $28 | $90 |
| Total knee replacement | 22 | $948 | $3,102 |
| Tendon or ligament injection A procedure involving the injection of medication into a tendon or ligament. |
20 | $32 | $140 |
| Elbow X-ray, minimum 3 views An X-ray imaging test of the elbow joint that captures at least three different angles to visualize the bones and surrounding structures. |
20 | $24 | $79 |
| Adult short arm fiberglass cast supplies Materials used to apply a short arm cast made of fiberglass for patients aged 11 and older. |
17 | $18 | $58 |
| Elbow to finger cast application Application of a cast extending from the elbow to the fingers to immobilize the arm. |
16 | $64 | $214 |
| Orthopedic device training, 15 minutes Training on how to use an orthopedic device for the arm, leg, or trunk. The session lasts for 15 minutes. |
14 | $33 | $119 |
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. Zavala is a mixed practice specialist, with above-average Medicare volume (top 4% in TX), with low-engagement industry engagement, with 18 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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