Peter Nicholas Mahr, MD - Medicare Family Practice in Portland, OR

Peter Nicholas Mahr, MD is a medicare enrolled "Family Medicine" physician in Portland, Oregon. He went to Geisel School Of Medicine At Dartmouth and graduated in 1998 and has 26 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Multnomah County and his current practice location is 426 Sw Stark St, 8th Floor, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 988-3674.

Peter Nicholas Mahr is licensed to practice in Oregon (license number MC21928) 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 1548312754.

Contact Information

Peter Nicholas Mahr, MD
426 Sw Stark St, 8th Floor,
Portland, OR 97204-2347
(503) 988-3674
(503) 988-5185

Map and Direction




Physician's Profile

Full NamePeter Nicholas Mahr
GenderMale
SpecialityFamily Practice
Experience26 Years
Location426 Sw Stark St, Portland, 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:
  • Peter Nicholas Mahr attended and graduated from Geisel School Of Medicine At Dartmouth in 1998
  NPI Data:
  • NPI Number: 1548312754
  • Provider Enumeration Date: 01/17/2007
  • Last Update Date: 12/18/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 8820985609
  • Enrollment ID: I20040304000659

Medical Identifiers

Medical identifiers for Peter Nicholas Mahr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548312754NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine MC21928 (Oregon)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Multnomah County660877178788

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. Peter Nicholas Mahr allows following entities to bill medicare on his behalf.
Entity NameMultnomah County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609914787
PECOS PAC ID: 6608771787
Enrollment ID: O20031203000025

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. Peter Nicholas Mahr 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
Peter Nicholas Mahr, MD
421 Sw Oak St, 210,
Portland, OR 97204-1817

Ph: (503) 988-3674
Peter Nicholas Mahr, MD
426 Sw Stark St, 8th Floor,
Portland, OR 97204-2347

Ph: (503) 988-3674

Reviews and Comments


Family Medicine Doctors in Portland, OR

Brian Michael Lindeman, M.D.
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Phone: 503-214-5200    Fax: 503-906-6613
Katy L Bochat, DO
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Jonathan L Vinson, MD
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Practice Location: 839 Ne Holladay St, Portland, OR 97232
Phone: 503-203-0700    
Dr. Timothy P Janzen, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 10803 Se Cherry Blossom Dr, Portland, OR 97216
Phone: 503-261-7200    Fax: 503-261-7249
Alison Mitchell, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 5050 Ne Hoyt St, Suite 240, Portland, OR 97213
Phone: 503-215-6480    
Dr. Steven Colin Jackson, MD
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Medicare: Not Enrolled in Medicare
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.