ARTHUR H LOUSSARARIAN (M.D.) – Cardiovascular Disease Physician, NPI 1720065121
Cardiovascular Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
511 INTERVENTIONAL CARDIOLOGY in CA
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Provider Addresses for ARTHUR H LOUSSARARIAN (M.D.)
26522, La Alameda, Mission Viejo, Orange County, California, 92691, United States
SUITE 120
MISSION VIEJO, CA 926916330
Phone: (949) 282-1671
Fax: (949) 367-0518
Type: Mailing
26800, Crown Valley Parkway, Mission Viejo, Orange County, California, 92691, United States
SUITE 120
MISSION VIEJO, CA 926916384
Phone: (949) 364-3388
Fax: (949) 364-5026
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $3,369.
Total Amount is formed as General ($3,369) + Research ($0) + Ownership ($0) = $3,369.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Abbott Laboratories ($1,977).
Total Amount
$3,369
General + Research + Ownership
Payments
37
Total payment records
General Amount
$3,369
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $1,977 |
| ABIOMED | $987 |
| AngioDynamics, Inc. | $87 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $62 |
| E.R. Squibb & Sons, L.L.C. | $60 |
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: 2007-06-05
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 |
|---|---|---|---|---|
| I20070605000448 | I | Interventional Cardiology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,623 | 1,296 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 1,158 | 170 | $0 |
| 85610 | Blood test, clotting time | 940 | 145 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 553 | 343 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 351 | 344 | $0 |
Insurance plans in this area (ZIP 92691)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERVENTIONAL CARDIOLOGY | CA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 55 | 55 |
| INTERVENTIONAL CARDIOLOGY | CA | 92928 | Catheter insertion of stents in major coronary artery or branch, accessed through the skin | 20 | 16 |
| INTERVENTIONAL CARDIOLOGY | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 1161 | 962 |
| INTERVENTIONAL CARDIOLOGY | CA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 130 | 36 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | WA | |
| - | ME | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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