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

Rami K Abumasmah, MD

Individual provider Hematology & Oncology Physician · NPI 1972779551

Rami K Abumasmah, MD is a Hematology/Oncology in Oshkosh, Wisconsin. Qualified in 1997, 29 years ago. Practices with Trinity Health, a 294-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois, Missouri, North Dakota and Wisconsin.

Years since qualifying
29
Licensed in
IL, MO, ND, WI
In the registry since
2008
Specialties on file
4
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

855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone: (920) 456-7870
Fax: (920) 456-7871
Show map & directions

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

Additional practice locations (3)

  • 831 S Broadway, Minot, ND 58701-4636 — (701) 857-3535
  • 100 Fairfield Drive, Senaca, PA 16346 — (814) 676-7900
  • 455 Toll Gate Rd, Warwick, RI 02886-2759 — (401) 737-7000

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 2457 (WI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 22871 (ND)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 2021025575 (MO)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 036154874 (IL)

Record details

NPI number1972779551
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2008
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025

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 Trinity Health — 294 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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