MICHAEL W. PIEPKORN (M.D.) – Dermatopathology Physician, NPI 1609975226
Dermatopathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
393 DERMATOLOGY in WA
Provider Addresses for MICHAEL W. PIEPKORN (M.D.)
2330 130TH AVE NE STE 201
BELLEVUE, WA 980051756
Phone: (425) 455-9945
Fax: (425) 455-9947
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2004-03-30
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 |
|---|---|---|---|---|
| I20040330000503 | I | Dermatology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 4,569 | 3,046 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 211 | 124 | $0 |
| 88321 | Surgical pathology consultation and report on referred slides prepared elsewhere | 173 | 167 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 147 | 133 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 140 | 129 | $0 |
Insurance plans in this area (ZIP 98005)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | WA | 88342 | Tissue or cell analysis by immunologic technique | 56 | 56 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Dermatology, Pathology | WA | |
| Dermatology, Pathology | WA | |
| Dermatology, Pathology | WA |
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