MARK S CHAMBERS – Certified Registered Nurse Anesthetist, NPI 1598323859
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
987 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in WA
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Provider Addresses for MARK S CHAMBERS
PO BOX 444
CARSON, WA 986100444
Phone: (360) 904-4525
Type: Mailing
Virginia Mason Memorial, 2811, Tieton Drive, Yakima, Yakima County, Washington, 98902, United States
YAKIMA, WA 989023761
Phone: (509) 575-8000
Type: Location
PO BOX 746
CARSON, WA 986100746
Phone: (360) 904-4525
Type: Mailing
1700 E 19TH ST
THE DALLES, OR 970583317
Phone: (360) 904-4525
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: 2021-07-06
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 |
|---|---|---|---|---|
| I20210706001372 | I | Certified Registered Nurse Anesthetist (Crna) | OR | 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 |
|---|---|---|---|---|
| 00812 | Anesthesia for exam of colon using an endoscope | 31 | 31 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 27 | 27 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | 19 | $0 |
| 00410 | Anesthesia for procedure to correct abnormal heart rhythm | 13 | 12 | $0 |
| 01480 | Anesthesia for other procedure on lower leg, ankle, and foot bones | 11 | 11 | $0 |
Insurance plans in this area (ZIP 98610)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | WA | |
| Certified Registered Nurse Anesthetist (Crna) | OR | |
| A N E S T H E S I O L O G Y | OR | |
| Anesthesiology, Pain Management | OR |
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