DR. OUSSAMA NACHAR (M.D, PH.D) – Diagnostic Radiology Physician, NPI 1174575583
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,303 DIAGNOSTIC RADIOLOGY in TX
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Provider Addresses for DR. OUSSAMA NACHAR (M.D, PH.D)
San Roman, Mission, Hidalgo County, Texas, 78503, United States
MISSION, TX 785727532
Phone: (956) 362-7553
Type: Mailing
Doctors Hospital at Renaissance, 5501, South McColl Road, Edinburg, Hidalgo County, Texas, 78539, United States
EDINBURG, TX 785395503
Phone: (956) 661-7100
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 $131.
Total Amount is formed as General ($131) + Research ($0) + Ownership ($0) = $131.
Last reported payment date: 2023-06-19 • Largest payer in this snapshot: Boston Scientific Corporation ($131).
Total Amount
$131
General + Research + Ownership
Payments
2
Total payment records
General Amount
$131
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $131 |
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: 2020-07-29
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 |
|---|---|---|---|---|
| I20200729000084 | I | Diagnostic Radiology | TX | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 2,580 | 81 | $0 |
| 71250 | Ct scan of chest without contrast | 109 | 105 | $0 |
| 78815 | Nuclear medicine study from skull base to mid-thigh with ct scan | 107 | 93 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 102 | 101 | $0 |
| 78306 | Nuclear medicine study of bone and/or joint whole body | 84 | 79 | $0 |
Insurance plans in this area (ZIP 78572)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | FL | |
| Diagnostic Radiology, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Cardiovascular Disease (Cardiology) | FL | |
| Diagnostic Radiology | NJ | |
| Diagnostic Radiology | FL |
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