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

Alexander William Arena, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1811485865

Alexander William Arena, MD is an Emergency Medicine in San Antonio, Texas. Qualified in 2018, 8 years ago. Practices with University of Texas Health Science Center at San Antonio, a 1,295-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
8
Licensed in
TX
In the registry since
2018
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

4502 Medical Dr
San Antonio, TX 78229-4402
Phone: (210) 450-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence S9841 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1811485865
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2018
Last updated in NPPESJuly 15, 2021
Certification dateJuly 15, 2021
Mailing address4502 Medical Dr, San Antonio, TX 78229-4402

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice University Of Texas Health Science Center At San Antonio — 1295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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