Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Sonia Ivette Santiago Mateo, MD

Individual provider Internal Medicine Physician · NPI 1992777262

Mrs. Sonia Ivette Santiago Mateo, MD is an Internal Medicine in Ponce, Puerto Rico. Graduated from Ponce School of Medicine in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
42
Trained at
Ponce 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.

1935 Avenida Las Americas
Ponce, PR 00728-1815
Phone: (787) 843-7808
Fax: (787) 813-0798

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Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 9136 (PR)

Record details

NPI number1992777262
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 2, 2006
Last updated in NPPESMarch 15, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPONCE SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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