CHAD ELLERMEIER (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1720306012
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
369 PATHOLOGY in WA
Provider Addresses for CHAD ELLERMEIER (M.D.)
12501 E MARGINAL WAY S STE 200
TUKWILA, WA 981685163
Phone: (206) 576-6050
Type: Location
1959 NE PACIFIC ST
BOX 357470
SEATTLE, WA 981956422
Phone: (206) 616-9343
Fax: (206) 543-3644
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
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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: 2016-08-02
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 |
|---|---|---|---|---|
| I20160802002600 | I | Pathology | 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 | 1,159 | 520 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 583 | 147 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 259 | 207 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 199 | 103 | $0 |
| 88377 | Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure | 152 | 33 | $0 |
Insurance plans in this area (ZIP 98168)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OR | |
| P A T H O L O G Y | WA | |
| P A T H O L O G Y | WA | |
| P A T H O L O G Y | LA | |
| - | WA | |
| Emergency Medicine, Pathology | WA | |
| - | WA | |
| P A T H O L O G Y | WA | |
| - | WA | |
| P A T H O L O G Y | WA |
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