Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Iliana Arellano, MD

Individual provider Advanced Heart Failure and Transplant Cardiology Physician · NPI 1710917794

Dr. Iliana Arellano, MD is an Internal Medicine in San Antonio, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1994, 32 years ago. Practices with Wellmed Networks, Inc, a 119-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
32
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4330 Medical Dr Ste 500
San Antonio, TX 78229-3318
Phone: (210) 558-0122
Fax: (210) 558-0120
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence P9147 (TX)
Advanced Heart Failure and Transplant Cardiology Physician Taxonomy 207RA0001X · Licence P9147 (TX)

Record details

NPI number1710917794
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 4, 2006
Last updated in NPPESApril 10, 2026
Certification dateApril 10, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1994 (32 years in practice)
Group practice Wellmed Networks, Inc. — 119 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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