Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Dennis Cayanan Alfonso, MD

Individual provider Physical Medicine & Rehabilitation Physician · NPI 1558595660

Dr. John Dennis Cayanan Alfonso, MD is a Physical Medicine and Rehabilitation in San Antonio, Texas. Graduated from University of Texas Medical School at San Antonio in 2009, 17 years ago. Accepts Medicare assignment. Licensed in Texas.

Years since qualifying
17
Trained at
University of Texas Medical School at San Antonio
Licensed in
TX
In the registry since
2009
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

17503 La Cantera Pkwy # 104-456
San Antonio, TX 78257-8207
Phone: (210) 571-7100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence P4538 (TX)

Record details

NPI number1558595660
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2009
Last updated in NPPESOctober 9, 2019

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2009 (17 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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