ANTHONY Z DASH (MD) – Nephrology Physician, NPI 1841285475
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
279 NEPHROLOGY in WA
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Provider Addresses for ANTHONY Z DASH (MD)
Optum Madison Center, 904, 7th Avenue, Central Business District, First Hill, Seattle, King County, Washington, 98104, United States
SEATTLE, WA 981041132
Phone: (206) 860-2286
Fax: (206) 860-2215
Type: Mailing
PO BOX 5127
EVERETT, WA 982065127
Phone: (206) 860-5414
Fax: (206) 720-8462
Type: Mailing
7600 EVERGREEN WAY
EVERETT, WA 982036421
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: 2016-01-18
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 |
|---|---|---|---|---|
| I20160118000971 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 139 | 66 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 31 | 18 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 19 | 19 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 98104)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | WA | |
| Nurse Practitioner | CA | |
| R H E U M A T O L O G Y | WA | |
| - | WA | |
| - | WA | |
| Internal Medicine | UT | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | WA | |
| Clinical Social Worker | WA | |
| N E P H R O L O G Y | WA | |
| - | WA |
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