DEREK J PEACOCK (MD) – Rheumatology Physician, NPI 1720085038
Rheumatology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
167 RHEUMATOLOGY in WA
Provider Addresses for DEREK J PEACOCK (MD)
1305 FOWLER ST STE 1D
RICHLAND, WA 993524719
Phone: (509) 940-2284
Type: Location
560, Gage Boulevard, Tri-Cities, Benton County, Washington, 99352, United States
STE 203
RICHLAND, WA 99352
Phone: (509) 942-3627
Fax: (509) 942-2268
Type: Mailing
6710, West Okanogan Place, Tri-Cities, Benton County, Washington, 99336, United States
KADLEC CLINIC RHEUMATOLOGY
KENNEWICK, WA 99336
Phone: (509) 942-2528
Fax: (509) 783-2008
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: 2010-09-21
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 |
|---|---|---|---|---|
| I20100921000101 | I | Rheumatology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 99352)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WA | |
| Physician Assistant | WA |
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