DR. CASSIUS IYAD N OCHOA CHAAR (M.D., M.S.) – Vascular Surgery Physician, NPI 1669600698
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
525 GENERAL SURGERY in CT
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Provider Addresses for DR. CASSIUS IYAD N OCHOA CHAAR (M.D., M.S.)
67, Kendal Court, Guilford, South Central Connecticut Planning Region, Connecticut, 06437, United States
GUILFORD, CT 064372078
Phone: (203) 785-4582
Fax: (203) 785-7556
Type: Mailing
Boardman Building, 330, Cedar Street, Downtown, New Haven, New Haven County, Connecticut, 06519, United States
NEW HAVEN, CT 065103218
Phone: (203) 676-5835
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $568.
Total Amount is formed as General ($568) + Research ($0) + Ownership ($0) = $568.
Last reported payment date: 2024-09-22 • Largest payer in this snapshot: Bolton Medical Inc ($243).
Total Amount
$568
General + Research + Ownership
Payments
6
Total payment records
General Amount
$568
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bolton Medical Inc | $243 |
| Endologix LLC | $145 |
| Silk Road Medical, Inc. | $75 |
| Medtronic, Inc. | $60 |
| Philips North America LLC | $44 |
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: 2011-08-15
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 |
|---|---|---|---|---|
| I20110815000166 | I | Vascular Surgery | CT | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 37 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 23 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 32 | 28 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 30 | 26 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 26 | 21 | $0 |
Insurance plans in this area (ZIP 06437)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CT | |
| H E M A T O L O G Y/ O N C O L O G Y | CT | |
| Internal Medicine, Nephrology | SC | |
| - | CT | |
| - | NC | |
| Internal Medicine | CT | |
| - | CT | |
| Cardiac Surgery | CT | |
| - | CT | |
| - | CT |
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