MARK A. MIKHITARIAN (DO) – Vascular & Interventional Radiology Physician, NPI 1144750332
Vascular & Interventional Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
805 DIAGNOSTIC RADIOLOGY in CT
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Provider Addresses for MARK A. MIKHITARIAN (DO)
Norwalk Hospital, 34, Maple Street, Clarmont, Norwalk, Fairfield County, Connecticut, 06856, United States
NORWALK, CT 068503815
Phone: (203) 852-2025
Type: Location
101 MANNING DR
CHAPEL HILL, NC 275144226
Phone:
Type: Mailing
300 COMMUNITY DR
MANHASSET, NY 110303876
Phone: (516) 562-4677
Fax: (516) 562-1379
Type: Mailing
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 $44.
Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: Penumbra, Inc. ($26).
Total Amount
$44
General + Research + Ownership
Payments
2
Total payment records
General Amount
$44
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Penumbra, Inc. | $26 |
| Balt USA, LLC | $18 |
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: 2025-12-22
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20230713003752 | I | Diagnostic Radiology | NY | TBD |
| I20251222002647 | I | Interventional Radiology | 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 |
|---|---|---|---|---|
| 77001 | Fluoroscopic guidance for insertion or removal of central vein access device | 64 | 60 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 56 | 53 | $0 |
| 49083 | Drainage of fluid from abdominal cavity using imaging guidance | 39 | 27 | $0 |
| 36561 | Insertion of central venous tube with port (5 years or older) | 29 | 29 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 21 | 19 | $0 |
Insurance plans in this area (ZIP 06850)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery, Critical Care (Intensivists) | NY | |
| Diagnostic Radiology | NY | |
| - | NY | |
| - | NY | |
| Infectious Disease | NC | |
| - | NY | |
| - | NY | |
| Cardiac Surgery, Vascular Surgery | NY | |
| - | CA | |
| - | NY |
Reviews
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