HEITHAM HASSOUN (M.D.) – Vascular Surgery Physician, NPI 1407806797
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for HEITHAM HASSOUN (M.D.)
6550 Fannin St
Suite 1401
Houston, TX 770302717
Phone: (713) 441-5200
Fax: (713) 793-7428
Type: Location
Box, Lago del Salado, Los Angeles, San Nicolás de los Garza, Nuevo León, 66477, Mexico
LOS ANGELES, CA 900510717
Phone: (424) 315-4508
Type: Mailing
Cedars-Sinai Medical Center, 8700, Beverly Boulevard, West Hollywood, Los Angeles County, California, 90048, United States
WEST HOLLYWOOD, CA 900481804
Phone: (424) 315-4508
Fax: (310) 423-0246
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $574.
Total Amount is formed as General ($574) + Research ($0) + Ownership ($0) = $574.
Last reported payment date: 2024-04-04 • Largest payer in this snapshot: Inari Medical, Inc. ($400).
Total Amount
$574
General + Research + Ownership
Payments
4
Total payment records
General Amount
$574
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $400 |
| W. L. Gore & Associates, Inc. | $174 |
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: 2020-03-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20050908000448 | I | General Surgery | MD | TBD |
| I20131008000236 | I | Vascular Surgery | DC | TBD |
| I20200330000567 | I | Vascular Surgery | CA | 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 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists), General Surgery | CA | |
| - | WA | |
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| Clinical Psychologist | CA | |
| Nurse Practitioner | CA | |
| N E U R O S U R G E R Y | OH | |
| Nurse Practitioner | CA | |
| General Surgery, Critical Care (Intensivists) | CA | |
| Internal Medicine | CA |
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