DR. MARGARET M O'BRIEN (MD) – Anesthesiology Physician, NPI 1023048964
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,823 ANESTHESIOLOGY in PA
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Provider Addresses for DR. MARGARET M O'BRIEN (MD)
744, West Michigan Avenue, Jackson, Jackson County, Michigan, 49201, United States
JACKSON, MI 492011909
Phone: (517) 787-6440
Fax: (517) 787-4146
Type: Mailing
Bryn Mawr Avenue, Bryn Mawr, Youngstown, Mahoning County, Ohio, 44505, United States
BRYN MAWR, PA 190103121
Phone: (610) 526-3000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $256.
Total Amount is formed as General ($256) + Research ($0) + Ownership ($0) = $256.
Last reported payment date: 2023-12-12 • Largest payer in this snapshot: Janssen Biotech, Inc. ($256).
Total Amount
$256
General + Research + Ownership
Payments
2
Total payment records
General Amount
$256
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $256 |
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: 2011-01-27
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 |
|---|---|---|---|---|
| I20110127000395 | I | Anesthesiology | PA | 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 | 59 | 58 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 23 | 23 | $0 |
| 00104 | Anesthesia for electroshock therapy | 23 | 11 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 21 | 21 | $0 |
| 00902 | Anesthesia for procedure on anus and rectum | 20 | 20 | $0 |
Insurance plans in this area (ZIP 49201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| - | PA | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| - | PA | |
| - | PA | |
| - | PA |
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