Medicare Enrolled
Dr. Derrick Sun, M.D.
Neurological Surgery · San Antonio, TX
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Sun from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Sun
Dr. Derrick Sun is a neurological surgery specialist in San Antonio, TX, with 18 years of NPI registration. Based on federal Medicare data, Dr. Sun performed 744 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Sun received a total of $12,513 from 18 pharmaceutical and/or device companies across 117 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Sun 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.
✓ 18 years of NPI registration
▲ Top 16% volume in TX
$12,513 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗744
Medicare services
Top 16% in TX for neurological surgery
Not available
Unique patients (not deduplicated)
$194
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
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. |
204 | $65 | $212 |
| 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. |
84 | $74 | $317 |
| 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 | $92 | $314 |
| Spine fusion with cage or mesh device insertion A surgical procedure to fuse spine bones by inserting a cage or mesh device into the disc space. |
57 | $193 | $1,376 |
| 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. |
45 | $124 | $483 |
| Spinal fusion of additional segment A surgical procedure to join an additional section of the spine to the existing fusion. This is performed as a separate or subsequent step to stabilize more of the spinal column. |
37 | $292 | $2,012 |
| Partial removal of spine bone with nerve release, 1 segment A surgical procedure involving the partial removal of a bone segment in the spine to relieve pressure on the spinal cord or nerves. This is performed on a single spinal segment. |
27 | $599 | $5,521 |
| Computer-assisted spinal procedure A surgical or diagnostic procedure involving the spine that utilizes computer technology to assist with planning, navigation, or execution. |
26 | $173 | $1,244 |
| Partial removal of spine bone with nerve release, each additional segment This procedure involves the partial removal of spinal bone to relieve pressure on the spinal cord or nerves. It is billed for each additional spinal segment treated beyond the initial segment. |
26 | $157 | $1,072 |
| Partial removal of spine bone with nerve release during fusion This procedure involves removing part of the bone in a single segment of the lower spine to release the spinal cord or nerves, performed during a spinal fusion. |
26 | $193 | $1,330 |
| Lower back spinal fusion with bone and disc removal A surgical procedure to fuse vertebrae in the lower back. It involves removing part of the spine bone and a disc to stabilize the area. |
24 | $1,165 | $9,279 |
| Spinal fusion with partial bone and disc removal A surgical procedure to join additional segments of the spine. It involves the partial removal of spine bone and disc tissue. |
24 | $362 | $2,501 |
| Partial bone removal of additional lower back spine segment during fusion This procedure involves the partial removal of bone from an additional segment of the lower spine to release the spinal cord or nerves. It is performed as part of a spinal fusion surgery in the lower back. |
24 | $171 | $995 |
| Spinal stabilization device placement, 3-6 segments Surgical placement of a device to stabilize three to six vertebrae in the back. |
20 | $570 | $3,943 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
18 | $63 | $296 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
16 | $91 | $302 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
15 | $100 | $401 |
| Placement of stabilizing device to back of 1 spine bone in neck A procedure involving the placement of a stabilizing device on the back of a single vertebra in the neck. |
11 | $567 | $3,940 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
25.8% high complexity
0.0% medium
74.2% routine
Industry Payment Transparency
Open Payments through 2024 ↗$12,513
Total received (2018-2024)
Avg $1,788/year across 7 years
Top 27% in TX for neurological surgery
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
18
Companies
117
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$1,545
2023
$1,294
2022
$3,219
2021
$4,505
2020
$86
2019
$187
2018
$1,677
Payments by company (2024)
Globus Medical, Inc.
$715
Medtronic, Inc.
$438
Stryker Corporation
$305
Silk Road Medical, Inc.
$48
Lundbeck LLC
$20
Carbofix Spine Inc
$19
Top 3 companies account for 94.3% of 2024 payments
All-time payments by company (2018-2024) ›
Globus Medical, Inc.
$3,130
Alphatec Spine, Inc
$2,964
Stryker Corporation
$2,324
Medtronic, Inc.
$1,915
Medtronic USA, Inc.
$1,381
NuVasive, Inc.
$187
DePuy Synthes Sales Inc.
$140
SI-BONE, INC.
$118
Zimmer Biomet Holdings, Inc.
$94
Providence Medical Technology, Inc.
$63
Silk Road Medical, Inc.
$48
HARMONY BIOSCIENCES LLC
$25
Alexion Pharmaceuticals, Inc.
$23
Integra LifeSciences Corporation
$22
PARADIGM SPINE, LLC
$20
Lundbeck LLC
$20
Carbofix Spine Inc
$19
Boston Scientific Corporation
$19
Top 3 companies account for 67.3% of all-time payments
Associated products mentioned in payments ›
3D Printed Integrated ALIF Spa · 3D Printed PLIF/TLIF · ACDF Retractor · ACP · AERO-LL · ALIF · ANATOMIC PEEK PTC CERVICAL FUSION SYSTEM · ANDEXXA · Bendini · CAPSTONE · CASCADIA · CATALYFT PL EXPANDABLE INTERBODY SYSTEM · CD HORIZON · CERVICAL PLATE · CODMAN CERTAS · COHERE · CORE · CREO · DIVERGENCE-L · ENDOSKELETON TC NANOLOCK SURFACE TECHNOLOGY · ENDOSKELETON TL NANOLOCK SURFACE TECHNOLOGY · ENROUTE Transcarotid Neuroprotection System · Excelsius Robotics System · Excelsius3D Imaging System · ExcelsiusGPS Robotic Navigation System · Fortify / Fortify-I · HEDRON · Hedron IA · IFUSE IMPLANT · INTELLIS ADAPTIVESTIM · KYPHON EXPRESS II KYPHOPAK TRAY · MIDAS REX · MONTEREY AL · MaXcess · Mazor X Stealth Edition · Mobi-C · N/A · NAVLOCK · O-ARM · O-ARM-Spine · Other - Miscellaneous · Quartex · SABLE · SERRATO · SONOPET IQ · STEALTHSTATION S8 PLATFORM · SYMPHONY · Sentio · Spine · Stealth Autoguide · Superion Indirect Decompression System · TARGET · Teligen · UNID_PASS · VIPER · VYEPTI · Wakix · XLIF · YUKON · YUKON OCT SPINAL SYSTEM · coflex · nanoLOCK-C
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Neurological surgerists in nearby ZIP areas
64
County median income
$70,571
Nearest hospital to ZIP centroid (approximate)
UNIVERSITY HEALTH SYSTEM
0.0 mi
0.0 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 | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | 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. Sun is a clinical cardiology specialist, with above-average Medicare volume (top 16% in TX), with 18 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. Sun experienced with office visit, established patient (20-29 min)?
Based on Medicare claims data, Dr. Sun performed 204 office visit, established patient (20-29 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Sun receive payments from pharmaceutical companies?
Yes. Dr. Sun received a total of $12,513 from 18 companies across 117 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Sun's costs compare to other neurological surgerists in San Antonio?
Dr. Sun's average Medicare payment per service is $194. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Sun) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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