Medicare Enrolled

Dr. Stephen Armstrong, MD

Radiation Oncology · Tyler, TX
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
627 TURTLE CREEK DR, Tyler, TX 75701
9035932539
In practice since 2006 (20 years)
NPI: 1992766083 verify on NPPES ↗
High
DATA COVERAGE
Data in 3 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. Armstrong 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. Armstrong

Dr. Stephen Armstrong is a radiation oncology specialist in Tyler, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Armstrong performed 6,045 Medicare services across 5,462 unique beneficiaries.

The Data Coverage level for Dr. Armstrong is 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 14% volume in TX

Medicare Practice Summary

Medicare Utilization ↗
6,045
Medicare services
Top 14% in TX for radiation oncology
5,462
Unique beneficiaries
$12
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~302 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.

Procedure Volume Avg. paid Avg. submitted
Chest X-ray, 1 view 1,725 $7 $36
Shoulder X-ray, 2+ views 362 $7 $38
Knee X-ray, 3 views 295 $7 $38
X-ray of abdomen, 1 view 294 $7 $36
CT scan of head/brain, without contrast 265 $30 $167
Foot X-ray, 3+ views 247 $6 $33
X-ray of knee, 1-2 views 222 $6 $36
X-ray of wrist, minimum of 3 views 210 $6 $35
X-ray of knee, 4 or more views 207 $8 $46
X-ray of hand, minimum of 3 views 192 $6 $35
X-ray of ankle, minimum of 3 views 164 $6 $35
CT scan of abdomen and pelvis with contrast 132 $66 $361
X-ray of upper spine, 2-3 views 105 $8 $44
Ct scan of blood vessels of chest with contrast 96 $66 $357
X-ray of thigh bone, minimum 2 views 89 $6 $38
Bone density scan (DEXA) 82 $9 $40
CT scan of chest, without contrast 81 $40 $203
Ct scan of abdomen and pelvis without contrast 78 $64 $345
Ct scan of upper spine without contrast 74 $35 $212
X-ray of pelvis, 1-2 views 69 $6 $35
X-ray of lower leg, 2 views 68 $6 $33
X-ray of finger, minimum of 2 views 58 $5 $28
X-ray of elbow, minimum of 3 views 50 $6 $35
X-ray of lower and sacral spine, minimum of 4 views 49 $10 $63
X-ray of upper arm, minimum of 2 views 42 $6 $33
X-ray of elbow, 2 views 41 $6 $32
X-ray of both hips, minimum of 5 views 41 $11 $64
Chest X-ray, 2 views 39 $8 $43
X-ray of hand, 2 views 37 $6 $33
X-ray of ribs on side of body, minimum of 3 views 31 $9 $54
Ct scan of chest with contrast 31 $41 $247
X-ray of middle spine, 2 views 31 $7 $43
X-ray of forearm, 2 views 29 $6 $33
X-ray of foot, 2 views 28 $6 $31
Ultrasound study of one arm or leg veins with compression and maneuvers 28 $15 $89
X-ray of upper spine, 4-5 views 27 $10 $63
Ct scan of lower spine without contrast 26 $34 $196
Limited ultrasound scan of abdomen 26 $22 $117
X-ray of wrist, 2 views 25 $6 $34
X-ray of middle spine, 3 views 24 $8 $43
X-ray of lower and sacral spine, 2-3 views 23 $8 $44
X-ray of ankle, 2 views 23 $6 $33
Ct scan of abdomen and pelvis before and after contrast 22 $71 $398
Imaging for evaluation of swallowing function 22 $20 $106
X-ray of ribs on side of body, 2 views 21 $8 $44
Complete ultrasound scan behind abdominal cavity 21 $27 $146
Ultrasound study of arm or leg veins with compression and maneuvers 19 $26 $138
X-ray of sacrum and tailbone, minimum of 2 views 17 $7 $35
X-ray of collar bone 17 $6 $33
X-ray of abdomen, 2 views 17 $9 $46
X-ray of paranasal sinus, minimum of 3 views 16 $8 $50
Complete ultrasound scan of abdomen 16 $28 $160
X-ray lower and sacral spine, minimum of 6 views 14 $12 $65
Ct scan of middle spine without contrast 14 $33 $193
X-ray of toe, minimum of 2 views 14 $4 $26
X-ray of pelvis, minimum of 3 views 13 $10 $43
X-ray series of abdomen with single x-ray of chest 13 $11 $64
X-ray of heel, minimum of 2 views 12 $6 $32
Hip X-ray, 2-3 views 11 $8 $44
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.
Looking for a radiation oncology specialist in Tyler?
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Geographic Context

Radiation oncologists within 10 mi
45
Per 100K population
18.9
County median income
$71,923
Nearest hospital
UT HEALTH EAST TEXAS TYLER REGIONAL HOSPITAL
0.0 mi

Data Sources

Provider Registry ✓ NPPES Weekly updates
Medicare Enrollment ✓ PECOS Monthly updates
Practice Data ✓ Medicare Util. Annual (CY lag)
Industry Payments — No payments N/A
Disciplinary History — Not public N/A

This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This measures how much public data is available about a provider — not how good they are. How we calculate this →

Summary

Dr. Armstrong is a mixed practice specialist, with above-average Medicare volume (top 14% in TX), with 20 years of NPI registration.

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. Armstrong experienced with chest x-ray, 1 view?
Based on Medicare claims data, Dr. Armstrong performed 1,725 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.
How do Dr. Armstrong's costs compare to other radiation oncologists in Tyler?
Dr. Armstrong's average Medicare payment per service is $12. 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 High for Dr. Armstrong) 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 →

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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 ↗, 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 →