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

Maria Constantinou, MD

Individual provider Hematology & Oncology Physician · NPI 1407999444

Maria Constantinou, MD is a Hematology/Oncology in Providence, Rhode Island. Qualified in 1997, 29 years ago. Practices with Rhode Island Hospital, a 428-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Rhode Island.

Years since qualifying
29
Licensed in
RI
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

593 Eddy St Apc Bldg
Providence, RI 02903-4923
Phone: (401) 444-5396
Fax: (401) 444-8918
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD10436 (RI)

Record details

NPI number1407999444
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2007
Last updated in NPPESMay 22, 2008

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Rhode Island Hospital — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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