Dr. Derek Chism, MD
What this data tells you about Dr. Chism
Dr. Derek Chism is a radiology - diagnostic specialist in Peabody, MA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Chism performed 3,141 Medicare services in 2023. These records do not provide a deduplicated patient total.
The Data Coverage level for Dr. Chism is 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 — 2023
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 |
|---|---|---|---|
| CT guidance for radiation therapy This procedure uses computed tomography imaging to guide the precise placement of radiation therapy fields. It ensures accurate positioning for targeted treatment delivery. |
1,426 | $36 | $187 |
| Radiation treatment management, 5 sessions Oversight and management of a radiation therapy course consisting of five treatment sessions. |
406 | $155 | $797 |
| Calculation of radiation therapy dose | 270 | $27 | $131 |
| 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. |
223 | $37 | $243 |
| Design and construction of complex radiation treatment device This code covers the design and construction of a complex radiation treatment device. It does not specify the clinical purpose or conditions treated. |
198 | $48 | $245 |
| Complex radiation therapy planning | 112 | $134 | $701 |
| 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. |
86 | $122 | $788 |
| 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. |
74 | $92 | $568 |
| Design and construction of radiation treatment device This code covers the design and construction of a device used for high precision radiation therapy. It does not include the actual administration of radiation treatment. |
62 | $183 | $940 |
| High precision radiation therapy planning This procedure involves the detailed planning and setup required for delivering high-precision radiation therapy to a target area of the body. |
60 | $341 | $1,748 |
| Radiation treatment planning, complex This procedure involves obtaining the necessary data to develop an optimal radiation treatment plan for three or more treatment areas, or any number of areas requiring special treatment. |
39 | $67 | $344 |
| Radiation treatment planning, 1 area This procedure involves gathering the necessary data to design the most effective radiation therapy plan for a single treatment area. |
35 | $31 | $159 |
| 3D radiation therapy planning This procedure involves creating a three-dimensional treatment plan for radiation therapy. It uses imaging data to map the target area and surrounding tissues to guide precise radiation delivery. |
32 | $178 | $916 |
| 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. |
27 | $59 | $386 |
| New patient office visit, complex (60-74 min) | 26 | $165 | $990 |
| Complex radiation therapy planning This procedure involves the detailed planning required to deliver external beam radiation therapy to a patient. |
23 | $124 | $639 |
| Design and construction of simple radiation treatment device This code covers the design and construction of a simple radiation treatment device. It does not specify the clinical purpose or condition being treated. |
19 | $19 | $98 |
| Special radiation treatment | 12 | $87 | $431 |
| 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. |
11 | $135 | $776 |
Geographic Context
5.2 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | — No payments | N/A |
| Disciplinary History | — Not included | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Chism is a clinical cardiology specialist, with above-average Medicare volume (top 9% in MA), 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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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, 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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