Sidney L I Cassell, MD - Medicare Rheumatology in Eugene, OR

Sidney L I Cassell, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Eugene, Oregon. He went to Washington University School Of Medicine and graduated in 1971 and has 53 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Drs Cassell And Boren Pc and his current practice location is 132 E Broadway, Suite 830, Eugene, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 687-0816.

Sidney L I Cassell is licensed to practice in Oregon (license number MD11360) 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 1376614107.

Contact Information

Sidney L I Cassell, MD
132 E Broadway, Suite 830,
Eugene, OR 97401-3160
(541) 687-0816
(541) 687-1086

Map and Direction




Physician's Profile

Full NameSidney L I Cassell
GenderMale
SpecialityRheumatology
Experience53 Years
Location132 E Broadway, Eugene, Oregon
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:
  • Sidney L I Cassell attended and graduated from Washington University School Of Medicine in 1971
  NPI Data:
  • NPI Number: 1376614107
  • Provider Enumeration Date: 11/13/2006
  • Last Update Date: 07/13/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6002803285
  • Enrollment ID: I20100813000198

Medical Identifiers

Medical identifiers for Sidney L I Cassell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376614107NPI-NPPES
005785MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology MD11360 (Oregon)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Drs Cassell And Boren Pc70129042954

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. Sidney L I Cassell allows following entities to bill medicare on his behalf.
Entity NameDrs Cassell & Boren Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316035728
PECOS PAC ID: 7012904295
Enrollment ID: O20040429000047

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. Sidney L I Cassell 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
Sidney L I Cassell, MD
132 E Broadway, Suite 830,
Eugene, OR 97401-3160

Ph: (541) 687-0816
Sidney L I Cassell, MD
132 E Broadway, Suite 830,
Eugene, OR 97401-3160

Ph: (541) 687-0816

Reviews and Comments


Internal Medicine Doctors in Eugene, OR

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Kirk Douglas Jacobson, M.D.
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Matthew B. Walter, M.D.
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Phone: 541-687-1712    Fax: 541-687-7943
Sarah Cassell,
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Medicare: Accepting Medicare Assignments
Practice Location: 132 E Broadway Ste 830, Eugene, OR 97401
Phone: 541-687-0816    Fax: 541-687-1086
Dr. Klarissa N Beller, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1200 Hilyard St Ste 520a, Eugene, OR 97401
Phone: 541-687-6041    Fax: 541-687-6009

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).

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