MR. MARK R HOLMBERG (C.R.N.A.) – Certified Registered Nurse Anesthetist, NPI 1790763233
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 MR. MARK R HOLMBERG (C.R.N.A.)
2415, Western Avenue, Lower Queen Anne, Belltown, Seattle, King County, Washington, 98121, United States
APT 503
SEATTLE, WA 981211394
Phone: (612) 741-5259
Type: Mailing
Virginia Mason Hospital & Seattle Medical Center, 1100, 9th Avenue, Central Business District, First Hill, Seattle, King County, Washington, 98101, United States
SEATTLE, WA 981012756
Phone: (206) 223-6980
Fax: (206) 223-6982
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.
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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: 2007-09-07
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 |
|---|---|---|---|---|
| I20070907000191 | I | Certified Registered Nurse Anesthetist (Crna) | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 16 | 16 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 16 | 16 | $0 |
Insurance plans in this area (ZIP 98121)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Medicine And Rehabilitation | WA | |
| Internal Medicine, Critical Care (Intensivists) | WA | |
| Gastroenterology, Internal Medicine | WA | |
| - | WA | |
| - | WA | |
| Diagnostic Radiology | WA | |
| D E R M A T O L O G Y | WA | |
| - | WA | |
| Nephrology, Internal Medicine | WA | |
| Internal Medicine | WA |
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