Physician Profile
Iliana Arellano, MD is a healthcare provider in San Antonio, TX specializing in internal medicine. Iliana trained at University of Texas Southwestern Medical School at Dallas, graduating in 1994. Iliana is also listed as specializing in cardiovascular disease. According to Medicare claims data, Iliana cared for 2,131 Medicare patients across 2,890 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. This provider record is associated with NPI 1710917794.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4330 MEDICAL DR STE 500
San Antonio, TX 78229
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
2,890 services · 2,131 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
579 | As often as other peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
565 | More often than most peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
179 | As often as other peers in Internal Medicine |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
129 | More than most peers in Internal Medicine |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
56 | Less often than most peers in Internal Medicine |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
50 | Less often than most peers in Internal Medicine |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Treatment | 93242 |
49 | More often than most peers in Internal Medicine |
| Ultrasound of heart, follow-up | Treatment | 93308 |
30 | As often as other peers in Internal Medicine |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
27 | As often as other peers in Internal Medicine |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
20 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Arellano is an internist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Arellano is listed at 4330 Medical Dr Ste 500, San Antonio, TX 78229. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (210) 558-0122. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Arellano's National Provider Identifier is 1710917794. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Arellano attended University of Texas Southwestern Medical School at Dallas, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dr. Arellano has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Arellano provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Arellano. If this is you, claiming it is free.
Guide.md
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