Dr. Mark Callow, MD
What this data tells you about Dr. Callow
Dr. Mark Callow is a neurology specialist in West Chester, OH, with 15 years of NPI registration. Based on federal Medicare data, Dr. Callow performed 348 Medicare services across 287 unique beneficiaries.
Between the years covered by Open Payments, Dr. Callow received a total of $51,250 from 28 pharmaceutical and/or device companies across 497 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Callow 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 |
|---|---|---|---|
| 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. |
91 | $48 | $185 |
| VEEG monitoring, 12-26 hours with review This procedure involves monitoring brain wave activity along with video recording for 12 to 26 hours. A healthcare professional reviews the data and provides a report. |
73 | $159 | $604 |
| 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. |
60 | $73 | $303 |
| Awake and drowsy EEG A test that records electrical activity in the brain while the patient is awake and drowsy. |
45 | $35 | $178 |
| Video EEG monitoring, 2-12 hours This procedure records brain wave activity while simultaneously capturing video footage for a duration of 2 to 12 hours. A healthcare professional reviews the data and provides a report. |
41 | $97 | $392 |
| Electronic analysis of neurostimulator generator An electronic check of the neurostimulator device to review its function and settings. |
21 | $28 | $117 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
17 | $116 | $406 |
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 ›
The majority of payments (88%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in neurology and does not inherently indicate bias, but patients may wish to be aware.
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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Callow is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 13% of OH peers, with 15 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. 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. 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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