MARK FARLEY – Internal Medicine Physician, NPI 1164518353
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,056 INTERNAL MEDICINE in WA
Provider Addresses for MARK FARLEY
PO BOX 190
TOPPENISH, WA 989480190
Phone: (509) 865-5898
Type: Mailing
518 W 1st Ave
Toppenish, WA 989481564
Phone: (509) 865-5600
Type: Location
510 W 1ST AVE
TOPPENISH, WA 989481564
Phone: (509) 865-5600
Fax: (509) 865-5783
Type: Mailing
510, West 1st Avenue, Toppenish, Yakima County, Washington, 98948, United States
TOPPENISH, WA 989481564
Phone: (509) 865-5600
Fax: (509) 865-5783
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $17.
Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.
Last reported payment date: 2024-05-08 • Largest payer in this snapshot: Astellas Pharma US Inc ($17).
Total Amount
$17
General + Research + Ownership
Payments
1
Total payment records
General Amount
$17
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $17 |
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: 2023-06-01
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 |
|---|---|---|---|---|
| I20230601000667 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 98948)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | OR | |
| Physician Assistant | OR | |
| Family Practice | OR | |
| Physician Assistant | OR | |
| Family Practice | WA | |
| - | OR | |
| Physician Assistant | OR | |
| Physician Assistant | AR | |
| - | OR | |
| Clinical Social Worker | OR |
Reviews
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