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

Monica Santiago Casiano, MD

Individual provider Internal Medicine Physician · NPI 1396920518

Monica Santiago Casiano, MD is a Hematology/Oncology in Yauco, Puerto Rico, Puerto Rico. Qualified in 2004, 22 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
22
Licensed in
PR
In the registry since
2008
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 may be wrong

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

Centro Profesional Del Sur Carr 121 Km 13.3
Yauco, Puerto Rico, PR 00698-0000
Phone: (787) 957-3111

Additional practice locations (1)

  • Hospital Municipal Centro Medico Cmms #79, Sanjuan, PR 00936-8344 — (787) 765-5147

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 17172 (PR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17172 (PR)

Record details

NPI number1396920518
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 7, 2008
Last updated in NPPESDecember 13, 2021
Certification dateDecember 10, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare