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

Rosalyn Isam Marar, MD

Individual provider Hematology & Oncology Physician · NPI 1750907622

Rosalyn Isam Marar, MD is a Hematology/Oncology in Rochester, Minnesota. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2020, 6 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Minnesota and Nebraska.

Years since qualifying
6
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
MN, NE
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 982055 Nebraska Medical Ctr, Omaha, NE 68198-2055 — (402) 559-7738

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 8842 (NE)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 73491 (MN)

Record details

NPI number1750907622
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2020
Last updated in NPPESOctober 25, 2023
Certification dateOctober 25, 2023

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rochester