KATHARINE M MASON-ELLIS PA-C
NPI 1174047393
Physician Assistant in Clackamas, OR

Q: What is Katharine Mason-ellis's NPI number?

The NPI number for Katharine Mason-ellis is 1174047393. It was assigned to this individual provider in the NPPES registry on July 30, 2017. The provider is also known as Katharine M Mason Pa-C.

Q: What is Katharine Mason-ellis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since July 30, 2017PECOS EnrolledAccepts Medicare Assignment

99.99/100

CMS Quality Rating

10151 SE SUNNYSIDE RD STE 100, CLACKAMAS, OR 97015(503) 659-0880(503) 513-7425 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 27, 2023, Aug 11, 2023, Aug 19, 2022 and 3 more (6 updates tracked since 2017).

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About Katharine M Mason-ellis Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHARINE M MASON-ELLIS PA-C (NPI 1174047393) is an individual physician assistant in Clackamas, Oregon, licensed in Oregon (PA202574) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174047393

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATHARINE M MASON-ELLISCredential: PA-C

Location Address10151 SE SUNNYSIDE RD STE 100Clackamas, OR 97015-5705

Mailing Address10151 Se Sunnyside Rd Ste 100Clackamas, OR 97015-5705 · (503) 659-0880

Phone(503) 659-0880

Fax(503) 513-7425

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJuly 30, 2017

Last NPPES UpdateApril 28, 20256 updates tracked since enumeration

NPPES CertifiedApril 28, 2025

✔ NPI 1174047393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in OR · PA202574✔ Licensed in WA · PA60779453

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

10151 SE SUNNYSIDE RD STE 100, Clackamas, OR 97015

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Other Names 1

Former Name (1)Katharine M Mason Pa-c

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katharine M Mason-ellis Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678846672

PECOS Enrollment IDI20210409001581

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

226 services201 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

150 services132 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

121 services118 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

78 services77 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380009

Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County

Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380060

Location10123 SE Market StreetPortland, OR 97216 · Multnomah County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$73.28 typical visit price

range $19.32 – $144.79

Typical copayment $18.32 (range $4.83 – $36.19)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.99/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

96.41

Promoting Interoperability

100

Improvement Activities

Cost

100

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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