DR. SEAN P OBRIEN (MD) – Vascular Surgery Physician, NPI 1952368896
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
242 VASCULAR SURGERY in MI
Loading map...
Provider Addresses for DR. SEAN P OBRIEN (MD)
1535, Gull Road, Kalamazoo, Charter Township of Comstock, Kalamazoo County, Michigan, 49001, United States
SUITE 020
KALAMAZOO, MI 490481650
Phone: (269) 381-4577
Fax: (269) 381-6409
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $1,610.
Total Amount is formed as General ($1,610) + Research ($0) + Ownership ($0) = $1,610.
Last reported payment date: 2024-05-08 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($1,153).
Total Amount
$1,610
General + Research + Ownership
Payments
13
Total payment records
General Amount
$1,610
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $1,153 |
| W. L. Gore & Associates, Inc. | $363 |
| Sirtex Medical Inc | $67 |
| Silk Road Medical, Inc. | $14 |
| Cook Medical LLC | $13 |
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: 2009-06-03
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 |
|---|---|---|---|---|
| I20090603000655 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 211 | 163 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 147 | 142 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 130 | 117 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 111 | 104 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 95 | 74 | $0 |
Insurance plans in this area (ZIP 49048)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | MI | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 17 | 16 |
| VASCULAR SURGERY | MI | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 23 | 20 |
| VASCULAR SURGERY | MI | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 79 | 79 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MI | |
| Internal Medicine | MI | |
| - | MI | |
| - | IN | |
| Gastroenterology, Internal Medicine | MI | |
| Nurse Practitioner | MI | |
| N E U R O L O G Y | MI | |
| Critical Care (Intensivists), Internal Medicine, Pulmonary Disease | MI | |
| Family Practice | MI | |
| N E U R O L O G Y | GA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.