Dr. Charles Cassidy, M.D.
What this data tells you about Dr. Cassidy
Dr. Charles Cassidy is an orthopaedic hand surgery physician in Boston, MA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Cassidy performed 598 Medicare services across 485 unique beneficiaries.
Between the years covered by Open Payments, Dr. Cassidy received a total of $48,994 from 8 pharmaceutical and/or device companies across 69 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in orthopaedic hand surgery physician. 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. Cassidy 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. |
169 | $52 | $269 |
| 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. |
81 | $75 | $381 |
| Tendon or ligament injection A procedure involving the injection of medication into a tendon or ligament. |
70 | $29 | $237 |
| 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. |
60 | $101 | $491 |
| 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. |
53 | $62 | $330 |
| Joint fluid aspiration or injection, small joint Removal of fluid from a small joint or injection of medication into a small joint. |
42 | $25 | $220 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
31 | $38 | $299 |
| Endoscopic release of wrist ligament A minimally invasive procedure using a small camera to cut and release ligaments in the wrist. |
24 | $392 | $2,996 |
| Injection of carpal tunnel | 18 | $52 | $394 |
| Joint fluid aspiration or injection, medium joint Removal of fluid from a medium-sized joint or injection of medication into the joint space. |
17 | $28 | $218 |
| Elbow to finger cast application Application of a cast extending from the elbow to the fingers to immobilize the arm. |
17 | $47 | $360 |
| Incision of finger tendon sheath A surgical procedure to cut open the protective covering of a finger tendon. |
16 | $172 | $1,814 |
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 (90%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in orthopaedic hand surgery physician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 4% for orthopaedic hand surgery physician in MA.
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. Cassidy is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 4% of MA 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
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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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