MR. PATRICK WILLIAM O'BRIEN (PA) – Surgical Physician Assistant, NPI 1124076757
Surgical Physician Assistant
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MR. PATRICK WILLIAM O'BRIEN (PA)
300 1st Capitol Dr
Saint Charles, MO 633012844
Phone: (636) 947-5000
Fax: (636) 947-5090
Type: Location
307, North 3rd Street, Central City, Phoenix, Maricopa County, Arizona, 85004, United States
EMCARE HONOR HEALTH JOHN C LINCOLN MEDICAL CENTER
PHOENIX, AZ 85020
Phone: (602) 430-3536
Fax: (602) 870-6091
Type: Mailing
9225 N 3RD ST STE 307
EMCARE JOHN C LINCOLN MEDICAL CENTER
PHOENIX, AZ 850202466
Phone: (602) 870-6316
Fax: (602) 870-6091
Type: Location
South First Capitol Drive, Saint Charles, Saint Charles County, Missouri, 63303, United States
SAINT CHARLES, MO 633012844
Phone: (636) 947-5000
Fax: (636) 947-5090
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: 2011-03-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20051109001197 | I | Physician Assistant | AZ | TBD |
| I20100114000134 | I | Physician Assistant | MN | TBD |
| I20110301000150 | I | Physician Assistant | WI | 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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 132 | 131 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 58 | 58 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 17 | 17 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 16 | 16 | $0 |
| 93042 | Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 13 | 13 | $0 |
Insurance plans in this area (ZIP 63301)
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