DR. WILLIAM FRANK OPPAT (M.D.) – Vascular Surgery Physician, NPI 1902873086
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
242 VASCULAR SURGERY in MI
Provider Addresses for DR. WILLIAM FRANK OPPAT (M.D.)
26850 PROVIDENCE PKWY STE 405
NOVI, MI 483741263
Phone: (248) 465-4820
Fax: (248) 443-1706
Type: Mailing
Providence Drive, Southfield, Oakland County, Michigan, 48075, United States
SUITE 555
SOUTHFIELD, MI 480754825
Phone: (248) 424-5748
Fax: (248) 443-1706
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $1,785.
Total Amount is formed as General ($1,785) + Research ($0) + Ownership ($0) = $1,785.
Last reported payment date: 2024-09-30 • Largest payer in this snapshot: Endologix LLC ($899).
Total Amount
$1,785
General + Research + Ownership
Payments
23
Total payment records
General Amount
$1,785
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Endologix LLC | $899 |
| Inari Medical, Inc. | $358 |
| W. L. Gore & Associates, Inc. | $246 |
| Abbott Laboratories | $122 |
| LeMaitre Vascular, Inc. | $78 |
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: 2006-08-31
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 |
|---|---|---|---|---|
| I20060831000351 | I | Vascular Surgery | MI | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 281 | 226 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 119 | 119 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 81 | 80 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 71 | 70 | $0 |
| 93923 | Complete ultrasound study of arm and leg arteries | 65 | 56 | $0 |
Insurance plans in this area (ZIP 48374)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Vascular Surgery | MI | |
| Vascular Surgery | MI |
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