DR. BRENDAN O'BRIEN (M.D.) – Trauma Surgery Physician, NPI 1598073181
Trauma Surgery Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. BRENDAN O'BRIEN (M.D.)
3551 ROGER BROOKE DR
SAN ANTONIO, TX 782344504
Phone:
Type: Mailing
1 BOONE RD
BREMERTON, WA 983121894
Phone: (360) 475-4916
Type: Mailing
8901 WISCONSIN AVE
BETHESDA, MD 208890004
Phone:
Type: Mailing
1 Boone Rd
Bremerton, WA 983121894
Phone: (360) 475-4916
Type: Location
1887 Kingsley Ave Ste 1900
Orange Park, FL 320734451
Phone: (904) 276-2549
Fax: (904) 276-9235
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: 2024-05-15
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 |
|---|---|---|---|---|
| I20240515001833 | I | Critical Care (Intensivists) | FL | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78234)
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