GEORGE M BRENNAN (MD) – Surgery Physician, NPI 1902883002
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
826 GENERAL SURGERY in WA
Provider Addresses for GEORGE M BRENNAN (MD)
1615 Delaware St
Longview, WA 986322367
Phone: (360) 501-3500
Fax: (360) 501-3555
Type: Location
700 LILLY ROAD N.E.
GROUP HEALTH OLYMPIA MEDICAL CENTER
OLYMPIA, WA 985065115
Phone: (360) 923-7530
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: 2009-12-01
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 |
|---|---|---|---|---|
| I20091201000509 | I | General Surgery | 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 | 29 | 17 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 98632)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| - | WA | |
| H E M A T O L O G Y | CA | |
| Nurse Practitioner | WA | |
| - | WA | |
| P S Y C H I A T R Y | WA | |
| - | WA | |
| P S Y C H I A T R Y | VA | |
| - | OR | |
| Nurse Practitioner | WA |
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