Ellen Marion Michaelson, MD - Medicare Internal Medicine in Portland, OR

Ellen Marion Michaelson, MD is a medicare enrolled "Internal Medicine" physician in Portland, Oregon. She went to University Of Massachusetts Medical School and graduated in 1982 and has 42 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 2222 Nw Lovejoy St Ste 510, Portland, Oregon. You can reach out to her office (for appointments etc.) via phone at (503) 274-0045.

Ellen Marion Michaelson is licensed to practice in Oregon (license number MD18281) 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 1255364972.

Contact Information

Ellen Marion Michaelson, MD
2222 Nw Lovejoy St Ste 510,
Portland, OR 97210-5103
(503) 274-0045
Not Available

Map and Direction




Physician's Profile

Full NameEllen Marion Michaelson
GenderFemale
SpecialityInternal Medicine
Experience42 Years
Location2222 Nw Lovejoy St Ste 510, Portland, Oregon
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:
  • Ellen Marion Michaelson attended and graduated from University Of Massachusetts Medical School in 1982
  NPI Data:
  • NPI Number: 1255364972
  • Provider Enumeration Date: 07/08/2006
  • Last Update Date: 08/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8426961590
  • Enrollment ID: I20031216000805

Medical Identifiers

Medical identifiers for Ellen Marion Michaelson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255364972NPI-NPPES
A002OtherORTRICARE
057039OtherOROMAP
804692001OtherORBLUE CROSS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology MD018281 (Oregon)Secondary
207R00000XInternal Medicine MD18281 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Legacy Good Samaritan Medical CenterPortland, ORHospital

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. Ellen Marion Michaelson allows following entities to bill medicare on her behalf.
Entity NameEllen Michaelson Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245437110
PECOS PAC ID: 9335249564
Enrollment ID: O20070717000288

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. Ellen Marion Michaelson 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
Ellen Marion Michaelson, MD
2222 Nw Lovejoy St Ste 510,
Portland, OR 97210-5103

Ph: (503) 274-0045
Ellen Marion Michaelson, MD
2222 Nw Lovejoy St Ste 510,
Portland, OR 97210-5103

Ph: (503) 274-0045

Reviews and Comments


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Phone: 503-221-0161    Fax: 503-274-1697
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Phone: 503-494-8562    

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.