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

Individual provider Internal Medicine Physician · NPI 1669445144

William Santiago-Rivera, MD is an Internal Medicine in Ponce, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 2001, 25 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Puerto Rico.

Years since qualifying
25
Trained at
University of Puerto Rico School of Medicine
Licensed in
PR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

909 Ave Tito Castro Torre Medica San Lucas Ste 717
Ponce, PR 00716
Phone: (787) 841-5549
Fax: (787) 840-3030

No coordinates on file. Search this address in Google Maps

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 14914 (PR)

Record details

NPI number1669445144
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 7, 2006
Last updated in NPPESDecember 27, 2023
Certification dateDecember 27, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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