Medicare Enrolled

Dr. Christopher McMillan, M.D.

Radiation Oncology · Texarkana, TX
Practice pattern: Mixed Practice— Diverse clinical practice across multiple procedure types
Low-engagement
5508 SUMMERHILL RD, Texarkana, TX 75503
9037921292
In practice since 2005 (20 years)
NPI: 1578564118 verify on NPPES ↗
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. McMillan 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. McMillan

Dr. Christopher McMillan is a radiation oncology in Texarkana, TX, with 20 years in practice. Based on federal Medicare data, Dr. McMillan performed 3,030 Medicare services across 2,755 unique beneficiaries.

Between the years covered by Open Payments, Dr. McMillan received a total of $163 from 1 pharmaceutical and/or device company across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. 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. McMillan is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 20 years in practice▲ Top 34% volume in TX$ $163 industry payments

Medicare Practice Summary

Medicare Utilization ↗
3,030
Medicare services
Top 34% in TX for radiation oncology
2,755
Unique beneficiaries
$22
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~152 Medicare services per year of practice

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.

ProcedureVolumeAvg. paidAvg. submitted
Chest X-ray, 1 view843$6$36
Screening mammography265$35$146
3D screening mammography (tomosynthesis)253$27$140
CT scan of head/brain, without contrast174$29$165
Bone density scan (DEXA)130$9$40
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)95$19$178
CT scan of chest, without contrast85$37$201
Ct scan of abdomen and pelvis without contrast76$60$340
X-ray of abdomen, 1 view69$6$36
Hip X-ray, 2-3 views67$8$43
Mri scan of brain without contrast65$52$290
Limited ultrasound scan of 1 breast65$24$152
X-ray of knee, 1-2 views57$6$35
Diagnostic mammography of 1 breast57$25$154
Ct scan of blood vessels of chest with contrast45$63$360
Shoulder X-ray, 2+ views44$7$37
Diagnostic mammography of both breasts42$33$192
Limited ultrasound scan behind abdominal cavity39$21$111
Ct scan of upper spine without contrast37$35$208
Nuclear medicine study from skull base to mid-thigh with ct scan37$87$471
X-ray of lower and sacral spine, 2-3 views35$7$44
Mri scan of lower spinal canal without contrast35$53$295
X-ray of wrist, minimum of 3 views34$6$35
Limited ultrasound scan of abdomen32$19$117
Ct scan of blood vessels of neck with contrast30$59$346
Ct scan of blood vessels of head with contrast28$61$346
Knee X-ray, 3 views26$6$36
X-ray of ankle, minimum of 3 views26$6$34
Foot X-ray, 3+ views26$5$33
Ultrasound scan of chest24$20$105
Ct scan of lower spine without contrast23$32$199
X-ray of hand, minimum of 3 views22$6$34
X-ray of thigh bone, minimum 2 views20$6$36
Chest X-ray, 2 views17$8$43
X-ray of pelvis, 1-2 views17$6$33
Ultrasound scan of head and neck soft tissue17$18$111
Mri scan of brain before and after contrast14$84$455
CT scan of abdomen and pelvis with contrast13$65$361
X-ray of upper spine, 2-3 views12$8$44
Mri scan of upper spinal canal without contrast12$54$299
Ct scan of chest with contrast11$43$247
X-ray of hip, 1 view11$6$38
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. A higher procedure volume generally indicates more experience with that procedure.

Industry Payment Transparency

Open Payments through 2024 ↗
$163
Total received (2023-2024)
Avg $82/year across 2 years
Bottom 46% in TX for radiation oncology
1
Company
2
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →

Payment profile

Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.

Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$163 (100.0%)

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$107
2023
$56

Payments by company (2024)

Consulting
Speaking
Meals & Travel
Research
Merck Sharp & Dohme LLC
$163
Top 3 companies account for 100.0% of total payments
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. 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 →

Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.

Equivalent to $5 per 100 Medicare services performed
Looking for a radiation oncology in Texarkana?
Compare radiation oncologys in the Texarkana area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Radiation Oncologys within 10 mi
19
Per 100K population
20.6
County median income
$59,295
Nearest hospital
CHRISTUS ST MICHAEL HEALTH SYSTEM
0.0 mi

Data Sources

Provider Registry NPPESWeekly updates
Medicare Enrollment PECOSMonthly updates
Practice Data Medicare Util.Annual (CY lag)
Industry Payments Open PaymentsCY 2024
Disciplinary History— Not publicN/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →

Summary

Dr. McMillan is a mixed practice specialist, with moderate Medicare volume, and low-engagement industry engagement, with 20 years of practice experience.

This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →

Frequently Asked Questions

Is Dr. McMillan experienced with chest x-ray, 1 view?
Based on Medicare claims data, Dr. McMillan performed 843 chest x-ray, 1 view services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. McMillan receive payments from pharmaceutical companies?
Yes. Dr. McMillan received a total of $163 from 1 company across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. 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. McMillan's costs compare to other radiation oncologys in Texarkana?
Dr. McMillan's average Medicare payment per service is $22. 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. McMillan) 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 a long track record of practice, Medicare participation, and industry disclosure. 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?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
About this page

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. The Transparency Score measures 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.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →