Dr. Gregory Castello, D.O.
What this data tells you about Dr. Castello
Dr. Gregory Castello is a family medicine specialist in Lombard, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Castello performed 34,210 Medicare services across 711 unique beneficiaries.
Between the years covered by Open Payments, Dr. Castello received a total of $6,073 from 29 pharmaceutical and/or device companies across 275 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family 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. Castello 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
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 |
|---|---|---|---|
| Joint lubricant injection (GenVisc) An injection of hyaluronan or its derivative into a joint space to provide lubrication and cushioning. |
31,680 | $5 | $20 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
890 | $70 | $286 |
| Fluoroscopic guidance for needle placement Use of real-time X-ray imaging to guide the precise placement of a needle during a medical procedure. |
888 | $96 | $206 |
| 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. |
238 | $63 | $118 |
| Viscosupplementation injection for joint An injection of hyaluronic acid or a derivative into a joint to provide lubrication and cushioning. |
175 | $60 | $100 |
| 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. |
172 | $88 | $225 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
99 | $0 | $1 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
46 | $133 | $208 |
| 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. |
22 | $85 | $177 |
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)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 7% for family medicine in IL.
Geographic Context
4.2 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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Castello is a mixed practice specialist, with above-average Medicare volume (top 0% in IL), with low-engagement industry engagement in the top 7% of IL peers, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Castello experienced with joint lubricant injection (genvisc)?
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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. 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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