Katharine M Mason-ellis, PA-C - Medicare Physician Assistant in Clackamas, OR

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Katharine M Mason-ellis, PA-C is a medicare enrolled "Physician Assistant" in Clackamas, Oregon. She graduated from nursing school in 2017 and has 9 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Portland Adventist Medical Center and her current practice location is 10151 Se Sunnyside Rd Ste 100, Clackamas, Oregon. You can reach out to her office (for appointments etc.) via phone at (503) 659-0880.

Katharine M Mason-ellis is licensed to practice in Oregon (license number PA202574) 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 1174047393.

Contact Information

Katharine M Mason-ellis, PA-C
10151 Se Sunnyside Rd Ste 100,
Clackamas, OR 97015-5705
(503) 659-0880
(503) 513-7425

Map and Direction




Provider's Profile

Full NameKatharine M Mason-ellis
GenderFemale
SpecialityPhysician Assistant
Experience9 Years
Location10151 Se Sunnyside Rd Ste 100, Clackamas, 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:
  • Katharine M Mason-ellis graduated from nursing school in 2017
  NPI Data:
  • NPI Number: 1174047393
  • Provider Enumeration Date: 07/30/2017
  • Last Update Date: 04/28/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3678846672
  • Enrollment ID: I20210409001581

Medical Identifiers

Medical identifiers for Katharine M Mason-ellis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174047393NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant PA60779453 (Washington)Secondary
363A00000XPhysician Assistant PA202574 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health PortlandPortland, ORHospital
Ohsu Hospital And ClinicsPortland, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Portland Adventist Medical Center3274908819273

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. Katharine M Mason-ellis allows following entities to bill medicare on her behalf.
Entity NameTuality Medical Group LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073929782
PECOS PAC ID: 7416173414
Enrollment ID: O20140729000238
Entity NamePortland Adventist Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750091021
PECOS PAC ID: 3274908819
Enrollment ID: O20230412001327

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. Katharine M Mason-ellis 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
Katharine M Mason-ellis, PA-C
10151 Se Sunnyside Rd Ste 100,
Clackamas, OR 97015-5705

Ph: (503) 659-0880		Katharine M Mason-ellis, PA-C
10151 Se Sunnyside Rd Ste 100,
Clackamas, OR 97015-5705

Ph: (503) 659-0880

Reviews and Comments


Physician Assistant Nurses in Clackamas, OR

Michael Hollenback, P.A.-C.
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 9800 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-653-6440    
Dale Fossati,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 9900 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-571-8240    
Ana Cole, PA
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 8972 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-210-1361    
Piotr Starosta, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10180 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-813-2000    
Matthew Harvey Clark, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10100 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 800-813-2000    
Anna Sterner Turbes, PA, MPH, MMSC
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 9800 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-813-2000    
Andrea Christine Pertoso, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10100 Se Sunnyside Rd, Clackamas, OR 97015
Phone: 503-517-4228    

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.