Katharine Mason-Ellis, PA-C
NPI 1174047393 · Physician Assistant · Clackamas, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Mason-Ellis, PA-C is a Physician Assistant provider in Clackamas, OR (NPI 1174047393).
Provider details
- NPI number
- 1174047393
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA60779453 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
806 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 231 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $115 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 150 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 121 | $82 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 78 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 237 | 80 |
| Metoprolol Succinate | 172 | 86 |
| Atorvastatin Calcium | 130 | 75 |
| Furosemide | 108 | 51 |
| Ezetimibe | 100 | 42 |
| Rosuvastatin Calcium | 97 | 49 |
| Sacubitril/Valsartanbrand: Entresto | 80 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-30
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Katharine Mason-Ellis's NPI number?
- Katharine Mason-Ellis's National Provider Identifier (NPI) is 1174047393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Mason-Ellis's specialty?
- Katharine Mason-Ellis is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katharine Mason-Ellis located?
- Katharine Mason-Ellis's practice location on file with NPPES is 10151 Se Sunnyside Rd Ste 100, Clackamas, OR 97015-5705.
- What is Katharine Mason-Ellis's phone number?
- The practice phone number listed in the NPPES registry for Katharine Mason-Ellis is (503) 659-0880.
- Does Katharine Mason-Ellis accept Medicare?
- Katharine Mason-Ellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Mason-Ellis's NPI active?
- Yes — Katharine Mason-Ellis's NPI (1174047393) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.