Medicare Enrolled

Dr. Arandapallam Sidharthan, MD

Radiation Oncology · Pharr, TX
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
3910 N JACKSON RD, Pharr, TX 78577
9569281882
In practice since 2006 (19 years)
NPI: 1295745719 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. Sidharthan 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. Sidharthan

Dr. Arandapallam Sidharthan is a radiation oncology specialist in Pharr, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Sidharthan performed 773 Medicare services across 700 unique beneficiaries.

The Data Coverage level for Dr. Sidharthan 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.

✓ 19 years in practice ▲ 773 Medicare services

Medicare Practice Summary

Medicare Utilization ↗
773
Medicare services
Bottom 28% in TX for radiation oncology
Lower Medicare volume may reflect subspecialty focus, hospital-based work, or a higher share of non-Medicare patients.
700
Unique beneficiaries
$17
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~41 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, 2 views
An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall.
 181 $11 $211
Shoulder X-ray, 2+ views
An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures.
 56 $11 $176
Knee X-ray, 3 views
An X-ray imaging test of the knee joint that captures three different angles to evaluate the bones and surrounding structures.
 50 $18 $242
X-ray of lower and sacral spine, 2-3 views
An X-ray imaging test that captures 2 to 3 views of the lower back and sacral spine to visualize the bones and joints in this area.
 48 $12 $173
Knee X-ray, 1-2 views
An X-ray imaging test of the knee joint using one to two different angles to visualize the bones and surrounding structures.
 44 $7 $138
Complete ultrasound of abdomen
A diagnostic imaging test that uses sound waves to create detailed pictures of the organs and structures within the abdomen.
 43 $47 $441
Hip X-ray, 2-3 views
An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures.
 36 $9 $157
Foot X-ray, 3+ views
An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints.
 28 $11 $186
Complete ultrasound of retroperitoneum
An ultrasound examination of the structures located behind the abdominal cavity.
 28 $32 $358
Complete pelvic ultrasound
An imaging test using sound waves to create pictures of the organs and structures within the pelvis.
 26 $26 $367
Ultrasound of head and neck soft tissue
This procedure uses sound waves to create images of the soft tissues in the head and neck area. It allows for the visualization of structures beneath the skin without using radiation.
 24 $22 $307
Ultrasound of leg arteries or grafts
An imaging test that uses sound waves to create pictures of the blood vessels in the legs or any surgical grafts present.
 23 $51 $633
X-ray of hand, minimum of 3 views
An X-ray imaging test of the hand that captures at least three different angles to visualize the bones and joints.
 20 $11 $181
X-ray of lower and sacral spine, minimum 6 views
An X-ray imaging test that captures at least six views of the lower back and sacral spine to evaluate bone structure and alignment.
 19 $11 $175
Abdominal X-ray, 1 view
An X-ray image of the abdomen taken from a single angle to visualize internal structures.
 19 $11 $174
Limited abdominal ultrasound
A focused ultrasound examination of the abdomen to evaluate specific organs or areas. This procedure uses sound waves to create images of internal structures.
 18 $28 $395
X-ray of upper spine, 6 or more views
An X-ray imaging test of the upper spine using six or more separate views to capture detailed images of the bones and structures in that area.
 17 $11 $225
X-ray of upper spine, 2-3 views
An X-ray imaging test of the upper spine using two to three different angles to visualize the bones and structures.
 16 $10 $158
X-ray of middle spine, 2 views
An X-ray imaging test that produces two views of the middle section of the spine to visualize the bones and joints.
 14 $8 $166
Ultrasound of head and neck blood flow, bilateral
An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck.
 14 $52 $673
Wrist X-ray, minimum 3 views
An imaging test using X-rays to capture at least three different angles of the wrist bones and joints.
 13 $10 $160
Ultrasound of abdominal aorta
An imaging test that uses sound waves to create pictures of the abdominal aorta, the large blood vessel that carries blood from the heart to the lower body.
 13 $25 $385
Limited ultrasound of joint or extremity
A focused ultrasound exam of a specific joint or other structure in the arm or leg, excluding blood vessels.
 12 $27 $316
Ankle X-ray, minimum 3 views
An X-ray imaging test of the ankle that captures at least three different angles to evaluate the bones and joints.
 11 $10 $162
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 Pharr?
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Geographic Context

Radiation oncologists within 10 mi
20
Per 100K population
2.3
County median income
$52,281
Nearest hospital
RIO GRANDE REGIONAL HOSPITAL
3.4 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. Sidharthan is a mixed practice specialist, with moderate Medicare volume, with 19 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. Sidharthan experienced with chest x-ray, 2 views?
Based on Medicare claims data, Dr. Sidharthan performed 181 chest x-ray, 2 views 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. Sidharthan's costs compare to other radiation oncologists in Pharr?
Dr. Sidharthan's average Medicare payment per service is $17. 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. Sidharthan) 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 →