Rami K Abumasmah, MD - Medicare Hematology/oncology in Oshkosh, WI

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Rami K Abumasmah, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Oshkosh, Wisconsin. He graduated from medical school in 1997 and has 29 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Trinity Health and his current practice location is 855 N Westhaven Dr, Oshkosh, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (920) 456-7870.

Rami K Abumasmah is licensed to practice in Wisconsin (license number 2457) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1972779551.

Contact Information

Rami K Abumasmah, MD
855 N Westhaven Dr,
Oshkosh, WI 54904-7668
(920) 456-7870
(920) 456-7871

Map and Direction




Physician's Profile

Full NameRami K Abumasmah
GenderMale
SpecialityHematology/oncology
Experience29 Years
Location855 N Westhaven Dr, Oshkosh, Wisconsin
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Rami K Abumasmah graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1972779551
  • Provider Enumeration Date: 05/05/2008
  • Last Update Date: 09/23/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0143478636
  • Enrollment ID: I20250925003261

Medical Identifiers

Medical identifiers for Rami K Abumasmah such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972779551NPI-NPPES
100219972MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 22871 (North Dakota)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 2457 (Wisconsin)Primary
207RX0202XInternal Medicine - Medical Oncology 2021025575 (Missouri)Secondary
207RX0202XInternal Medicine - Medical Oncology 036154874 (Illinois)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Trinity HospitalsMinot, NDHospital
Saint Anthony Medical CenterRockford, ILHospital
St Andrews Health Center - CahBottineau, NDHospital
Tioga Medical CenterTioga, NDHospital
Mountrail County Medical Center IncStanley, NDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Trinity Health7911816020292

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Rami K Abumasmah allows following entities to bill medicare on his behalf.
Entity NameTrinity Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083653752
PECOS PAC ID: 7911816020
Enrollment ID: O20031106000316

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Rami K Abumasmah is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Rami K Abumasmah, MD
1005 Broadway St,
Quincy, IL 62301-2834

Ph: (217) 223-8400		Rami K Abumasmah, MD
855 N Westhaven Dr,
Oshkosh, WI 54904-7668

Ph: (920) 456-7870

Reviews and Comments


Internal Medicine Doctors in Oshkosh, WI

Zahid N Dar, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    
Dr. Brian A.w. Temple, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    Fax: 920-303-8992
Anita I Gheller-rigoni, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-456-5900    Fax: 920-456-5901
Dr. Benjamin Joseph Heinzen, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1855 S Koeller St, Oshkosh, WI 54902
Phone: 920-223-7100    
Mamoun B Al-nouri, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 2700 W 9th Ave, Ste 106, Oshkosh, WI 54904
Phone: 920-236-1755    
Brianna England,
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 414 Doctors Ct, Oshkosh, WI 54901
Phone: 920-303-8700    
Robert D. Geck, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 855 N Westhaven Dr, Oshkosh, WI 54904
Phone: 920-303-8700    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.