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

Jose A Rivera Santiago, MD

Individual provider Internal Medicine Physician · NPI 1811163843

Jose A Rivera Santiago, MD is an Internal Medicine in Mayaguez, Puerto Rico. Qualified in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
37
Licensed in
PR
In the registry since
2008
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.

Cpr Bldg Ste 102
Mayaguez, PR 00680
Phone: (787) 832-4545
Fax: (787) 834-1228

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 11060 (PR)

Record details

NPI number1811163843
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 30, 2008
Last updated in NPPESAugust 22, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Mayaguez