Dr John Denker, MD - Medicare Family Medicine in Portland, OR

Dr John Denker, MD is a medicare enrolled "Family Medicine - Adult Medicine" physician in Portland, Oregon. His current practice location is 5622 Se 41st Ave, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 774-6929.

Dr John Denker is licensed to practice in Oregon (license number MD 12668) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1942201546.

Contact Information

Dr John Denker, MD
5622 Se 41st Ave,
Portland, OR 97202-7516
(503) 774-6929
(503) 774-6924

Map and Direction




Physician's Profile

Full NameDr John Denker
GenderMale
SpecialityFamily Medicine - Adult Medicine
Location5622 Se 41st Ave, Portland, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1942201546
  • Provider Enumeration Date: 08/03/2005
  • Last Update Date: 10/16/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0941334304
  • Enrollment ID: I20100820000213

Medical Identifiers

Medical identifiers for Dr John Denker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942201546NPI-NPPES
930862374OtherTRICARE
228700MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QA0505XFamily Medicine - Adult Medicine MD 12668 (Oregon)Primary
207QG0300XFamily Medicine - Geriatric Medicine MD 12668 (Oregon)Secondary

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. Dr John Denker allows following entities to bill medicare on his behalf.
Entity NameMarquis Clinical Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710427810
PECOS PAC ID: 2860827821
Enrollment ID: O20200121002375

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. Dr John Denker 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
Dr John Denker, MD
5622 Se 41st Ave,
Portland, OR 97202-7516

Ph: (503) 774-6929
Dr John Denker, MD
5622 Se 41st Ave,
Portland, OR 97202-7516

Ph: (503) 774-6929

Reviews and Comments


Family Medicine Doctors in Portland, OR

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Katy L Bochat, DO
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Dr. Timothy P Janzen, M.D.
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Practice Location: 10803 Se Cherry Blossom Dr, Portland, OR 97216
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Alison Mitchell, MD
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Practice Location: 426 Sw Stark St, 8th Floor, Portland, OR 97204
Phone: 503-988-3674    Fax: 503-988-5779

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.