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

Individual provider Hematology & Oncology Physician · NPI 1184606071

Mariann Harrington, MD is a Hematology/Oncology in Little Rock, Arkansas. Graduated from University of Arkansas College of Medicine in 1980, 46 years ago. Practices with Central Arkansas Radiation Therapy Institute Inc, a 90-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
46
Trained at
University of Arkansas College of Medicine
Licensed in
AR
In the registry since
2005
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

8901 Carti Way
Little Rock, AR 72205-6523
Phone: (501) 219-8777
Fax: (501) 907-6522
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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 C-5873 (AR)

Record details

NPI number1184606071
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 16, 2005
Last updated in NPPESMarch 10, 2022
Certification dateMarch 10, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Central Arkansas Radiation Therapy Institute Inc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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