Masumi Ueda Oshima, MD - Medicare Hematology/oncology in Seattle, WA

Masumi Ueda Oshima, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Seattle, Washington. She graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice The Association Of University Physicians and her current practice location is 825 Eastlake Ave E, Seattle, Washington. You can reach out to her office (for appointments etc.) via phone at (206) 288-1000.

Masumi Ueda Oshima is licensed to practice in Washington (license number MD60298964) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1235454786.

Contact Information

Masumi Ueda Oshima, MD
825 Eastlake Ave E,
Seattle, WA 98109-4405
(206) 288-1000
Not Available

Map and Direction




Physician's Profile

Full NameMasumi Ueda Oshima
GenderFemale
SpecialityHematology/oncology
Experience14 Years
Location825 Eastlake Ave E, Seattle, Washington
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Masumi Ueda Oshima graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1235454786
  • Provider Enumeration Date: 03/28/2010
  • Last Update Date: 10/05/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2062716749
  • Enrollment ID: I20160923000396

Medical Identifiers

Medical identifiers for Masumi Ueda Oshima such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235454786NPI-NPPES
1235454786MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD60298964 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Association Of University Physicians04461626973006

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. Masumi Ueda Oshima allows following entities to bill medicare on her behalf.
Entity NameAssociation Of University Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023041159
PECOS PAC ID: 0446162697
Enrollment ID: O20031105000244

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. Masumi Ueda Oshima 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
Masumi Ueda Oshima, MD
Po Box 50095,
Seattle, WA 98145-5095

Ph: (206) 543-6420
Masumi Ueda Oshima, MD
825 Eastlake Ave E,
Seattle, WA 98109-4405

Ph: (206) 288-1000

Reviews and Comments


Internal Medicine Doctors in Seattle, WA

Sandhya Ramanathan Panch, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Eastlake Ave E, Seattle, WA 98109
Phone: 206-520-5000    
Stephen A Lopez, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 925 Seneca St, Seattle, WA 98101
Phone: 206-341-0860    
Dr. Susan Hunt, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: Uwmc Department Of Medicine, Box 356429, Seattle, WA 98195
Phone: 206-221-7993    Fax: 206-221-8732
Timothy William Menza, MD, PHD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 325 9th Ave, Seattle, WA 98104
Phone: 206-520-5000    
Dr. Vinay Gupta, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 9th Ave, Seattle, WA 98101
Phone: 206-223-6980    Fax: 206-223-6982
Dr. Maria Ann Corcorran, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1550 N 115th St, Seattle, WA 98133
Phone: 206-520-5000    
Vyshak Alva Venur, M.D
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Eastlake Ave E, Seattle, WA 98109
Phone: 206-520-5700    

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.