WILLIAM OBRIEN (M.D.) – Internal Medicine Physician, NPI 1578524963
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,476 INTERNAL MEDICINE in OK
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Provider Addresses for WILLIAM OBRIEN (M.D.)
South Aspen Avenue, Broken Arrow, Tulsa County, Oklahoma, 74012, United States
BROKEN ARROW, OK 740124859
Phone: (918) 251-8900
Fax: (918) 293-3169
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2023-04-26 • Largest payer in this snapshot: Exact Sciences Corporation ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $22 |
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: 2014-08-26
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 |
|---|---|---|---|---|
| I20140826000397 | I | Internal Medicine | OK | 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 74012)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| General Surgery | TX | |
| Nurse Practitioner | OK | |
| - | OK | |
| Physician Assistant | OK | |
| Addiction Medicine, Internal Medicine | OK | |
| N E U R O S U R G E R Y | TX | |
| Physician Assistant | TX | |
| N E U R O S U R G E R Y | FL | |
| N E U R O S U R G E R Y | OK |
Reviews
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