SHAWN L SLACK (MD) – Rheumatology Physician, NPI 1306853239
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
167 RHEUMATOLOGY in WA
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Provider Addresses for SHAWN L SLACK (MD)
Founders Bldg., 3901, Hoyt Avenue, Everett, Snohomish County, Washington, 98201, United States
EVERETT, WA 982014918
Phone: (425) 259-0966
Type: Location
Everett Post Office, 3102, Hoyt Avenue, Port Gardner, Everett, Snohomish County, Washington, 98201, United States
EVERETT, WA 982065127
Phone: (206) 860-5414
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: 2010-09-03
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 |
|---|---|---|---|---|
| I20100903000874 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 80053 | Blood test, comprehensive group of blood chemicals | 426 | 141 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 415 | 140 | $0 |
| 86140 | Measurement c-reactive protein for detection of infection or inflammation | 402 | 133 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 351 | 139 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 347 | 150 | $0 |
Insurance plans in this area (ZIP 98201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| - | WA | |
| - | WA | |
| P A T H O L O G Y | TN | |
| Nurse Practitioner | WA | |
| Diagnostic Radiology | WA | |
| Nurse Practitioner | WA | |
| Physical Therapist In Private Practice | WA | |
| O T O L A R Y N G O L O G Y | WA | |
| Emergency Medicine | OR |
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