Ann-marie Yost, MD - Medicare Neurosurgery in Portland, OR

Ann-marie Yost, MD is a medicare enrolled "Neurological Surgery" physician in Portland, Oregon. She went to George Washington University School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Oregon Clinic Pc and her current practice location is 9155 Sw Barnes Rd, Suite 440, Portland, Oregon. You can reach out to her office (for appointments etc.) via phone at (503) 935-8500.

Ann-marie Yost is licensed to practice in Oregon (license number MD153921) 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 1730217704.

Contact Information

Ann-marie Yost, MD
9155 Sw Barnes Rd, Suite 440,
Portland, OR 97225-6625
(503) 935-8500
(503) 935-8505

Map and Direction




Physician's Profile

Full NameAnn-marie Yost
GenderFemale
SpecialityNeurosurgery
Experience33 Years
Location9155 Sw Barnes Rd, 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:
  • Ann-marie Yost attended and graduated from George Washington University School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1730217704
  • Provider Enumeration Date: 03/01/2007
  • Last Update Date: 11/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6305739871
  • Enrollment ID: I20121023000831

Medical Identifiers

Medical identifiers for Ann-marie Yost such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730217704NPI-NPPES
1730217704MedicaidWA
500614092MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery MD00036204 (Washington)Secondary
207T00000XNeurological Surgery MD153921 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Portland Medical CenterPortland, ORHospital
Providence St Vincent Medical CenterPortland, ORHospital
Providence Willamette Falls Medical CenterOregon city, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oregon Clinic Pc2860390408319

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. Ann-marie Yost allows following entities to bill medicare on her behalf.
Entity NameOregon Clinic Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265417174
PECOS PAC ID: 2860390408
Enrollment ID: O20031222000096

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. Ann-marie Yost 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
Ann-marie Yost, MD
541 Ne 20th Ave Ste 225,
Portland, OR 97232-2895

Ph: (503) 963-2801
Ann-marie Yost, MD
9155 Sw Barnes Rd, Suite 440,
Portland, OR 97225-6625

Ph: (503) 935-8500

Reviews and Comments


Neurological Surgery Doctors in Portland, OR

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Dr. Thomas Jay Rosenbaum, MD
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Medicare: Medicare Enrolled
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Dr. Martin Athelstan Baggenstos, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 9155 Sw Barnes Rd Ste 440, Portland, OR 97225
Phone: 503-935-8500    Fax: 503-935-8505

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.