WILLIAM A AGAN – Physician Assistant, NPI 1134308380
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,282 PHYSICIAN ASSISTANT in WA
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Provider Addresses for WILLIAM A AGAN
UW Medicine - Valley Medical Center - Covington Clinic North, 16850, Southeast 272nd Street, Covington, King County, Washington, 98042, United States
COVINGTON, WA 980424931
Phone: (253) 395-1960
Fax: (253) 395-2013
Type: Location
West Valley Highway, Kent, King County, Washington, 98032-1762, United States
# 101
KENT, WA 980322924
Phone: (425) 656-5412
Fax: (425) 656-4096
Type: Mailing
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: 2008-09-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20080905000308 | I | Physician Assistant | WA | 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 | 158 | 143 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 60 | 56 | $0 |
| 81003 | Automated urinalysis test | 29 | 27 | $0 |
| 69210 | Removal of impacted ear wax | 12 | 11 | $0 |
Insurance plans in this area (ZIP 98042)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | UT | |
| - | UT | |
| - | WA | |
| - | WA | |
| - | UT | |
| Family Practice | UT | |
| - | UT | |
| - | WA | |
| - | WA | |
| - | WA |
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