Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Maria Eloisa Perez Grau, MD

Individual provider Hematology & Oncology Physician · NPI 1821065855

Mrs. Maria Eloisa Perez Grau, MD is a Hematology/Oncology in San Juan, Puerto Rico. Graduated from Ponce School of Medicine in 1997, 29 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
29
Trained at
Ponce School of Medicine
Licensed in
PR
In the registry since
2006
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.

1429 Ave Fernandez Juncos Ste 4
San Juan, PR 00909-2658
Phone: (787) 946-4401
Fax: (787) 946-4490

No coordinates on file. Search this address in Google Maps

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 13570 (PR)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 13270 (PR)

Record details

NPI number1821065855
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 8, 2006
Last updated in NPPESJanuary 15, 2019

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolPONCE SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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