KATHARINE M MASON-ELLIS (PA-C) – Physician Assistant, NPI 1174047393
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,876 PHYSICIAN ASSISTANT in OR
Provider Addresses for KATHARINE M MASON-ELLIS (PA-C)
1615 DELWARE ST
LONGVIEW, WA 98632
Phone: (360) 414-2385
Type: Mailing
333 SE 7TH AVE STE 2500
HILLSBORO, OR 971234157
Phone: (503) 844-8280
Fax: (503) 346-8449
Type: Mailing
10151 SE SUNNYSIDE RD STE 100
CLACKAMAS, OR 970155705
Phone: (503) 659-0880
Type: Mailing
PeaceHealth St. John Medical Center, 1615, Delaware Street, Longview, Cowlitz County, Washington, 98632, United States
LONGVIEW, WA 986322367
Phone: (360) 414-2385
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-04-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170913000346 | I | Physician Assistant | WA | TBD |
| I20210409001581 | I | Physician Assistant | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 150 | 133 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 85 | 82 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 43 | 42 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 35 | 32 | $0 |
| 93018 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 27 | 27 | $0 |
Insurance plans in this area (ZIP 98632)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | OR | |
| Emergency Medicine | DC | |
| Physician Assistant | MD | |
| Nurse Practitioner | HI | |
| Physician Assistant | FL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | OR | |
| Family Practice | OR | |
| Nurse Practitioner | OR | |
| Emergency Medicine | PA | |
| Emergency Medicine | OR |
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