DR. MAZIAR KHORSANDI (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1013449404
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
53 CARDIAC SURGERY in WA
Provider Addresses for DR. MAZIAR KHORSANDI (MD)
1959 NE Pacific St
Seattle, WA 981950001
Phone: (206) 520-5000
Type: Location
4011 Talbot Rd S Ste 500
Renton, WA 980555782
Phone: (425) 690-3482
Fax: (425) 690-9082
Type: Location
PO BOX 50095
SEATTLE, WA 981455095
Phone:
Type: Mailing
University of Washington Medical Center - Montlake, 1959, Northeast Pacific Street, University District, Seattle, King County, Washington, 98195, United States
SEATTLE, WA 981950001
Phone: (206) 520-5000
Type: Location
700 ACKERMAN RD STE 2120
COLUMBUS, OH 432021559
Phone: (614) 293-5502
Fax: (614) 293-7221
Type: Mailing
452 W 10TH AVE
COLUMBUS, OH 432101240
Phone: (614) 293-5502
Fax: (614) 293-7221
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 29 Open Payments records for all available years, with a total value of $3,252.
Total Amount is formed as General ($3,252) + Research ($0) + Ownership ($0) = $3,252.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABIOMED ($2,252).
Total Amount
$3,252
General + Research + Ownership
Payments
29
Total payment records
General Amount
$3,252
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $2,252 |
| Paragonix Technologies, Inc. | $624 |
| Abbott Laboratories | $352 |
| HemoSonics LLC | $24 |
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: 2025-09-04
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20200818002307 | I | Thoracic Surgery | WA | TBD |
| I20250904004087 | I | Cardiac Surgery | OH | 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 98195)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Physician Assistant | OH | |
| General Surgery | OH | |
| Nurse Practitioner | OH | |
| - | OH | |
| General Surgery | OH | |
| Surgical Oncology | OH | |
| - | OH |
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