Mary K Derlacki, FNP - Medicare Internal Medicine in Eugene, OR

Mary K Derlacki, FNP is a medicare enrolled "Internal Medicine - Rheumatology" physician in Eugene, Oregon. Her current practice location is 132 E Broadway, Suite 830, Eugene, Oregon. You can reach out to her office (for appointments etc.) via phone at (541) 687-0816.

Mary K Derlacki is licensed to practice in Oregon (license number 090006104N1) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1609947431.

Contact Information

Mary K Derlacki, FNP
132 E Broadway, Suite 830,
Eugene, OR 97401-3160
(541) 687-0816
(541) 687-1086

Map and Direction




Physician's Profile

Full NameMary K Derlacki
GenderFemale
SpecialityInternal Medicine - Rheumatology
Location132 E Broadway, Eugene, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1609947431
  • Provider Enumeration Date: 11/13/2006
  • Last Update Date: 07/13/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 4183712052
  • Enrollment ID: I20071112000299

Medical Identifiers

Medical identifiers for Mary K Derlacki such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609947431NPI-NPPES
005785MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 090006104N1 (Oregon)Primary

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. Mary K Derlacki allows following entities to bill medicare on her 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. Mary K Derlacki 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
Mary K Derlacki, FNP
132 E Broadway, Suite 830,
Eugene, OR 97401-3160

Ph: (541) 687-0816
Mary K Derlacki, FNP
132 E Broadway, Suite 830,
Eugene, OR 97401-3160

Ph: (541) 687-0816

Reviews and Comments


Internal Medicine Doctors in Eugene, OR

Richard Romm, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 677 E 12th Ave, Suite N400, Eugene, OR 97401
Phone: 541-484-4332    Fax: 541-302-0786
William E Wilkins Jr., M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 330 S Garden Way Ste 350, Eugene, OR 97401
Phone: 541-746-6816    
Dr. Norman Paul Hudson, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 2479 Oakmont Way, Eugene, OR 97401
Phone: 541-484-0195    Fax: 541-343-6317
Kirk Douglas Jacobson, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 1488 Oak St, Eugene, OR 97401
Phone: 541-431-0000    Fax: 541-344-6176
Matthew B. Walter, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3125 Chad Dr Ste 100, Eugene, OR 97408
Phone: 541-687-1712    Fax: 541-687-7943
Sarah Cassell,
Rheumatology
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.
Rheumatology
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).

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.