Doctor profile · Federal record

Dr. Arthur Loussararian, M.D.

Cardiovascular Disease Physician (CMS: Interventional Cardiology) · Mission Viejo, CA

  • NPI 1720065121
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26800 Crown Valley Pkwy, Suite 120
Mission Viejo, CA 926916384
(949) 364-3388
fax (949) 364-5026
Mailing address
26522 la Alameda, Suite 120
Mission Viejo, CA 926916330

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
November 5, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G75082
Medicaid
CA #00G750820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720065121. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,208
Distinct HCPCS
10
Medicare allowed
$453,154
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,623 1,296 $9
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 $26
85610 Blood test, clotting time 940 145 $4
99214 Established patient office or other outpatient visit, 30-39 minutes 553 343 $138
93793 Anticoagulant management of patient taking warfarin 237 42 $12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 209 69 $83
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 193 190 $72
93880 Ultrasound of both sides of head and neck blood flow 192 191 $218
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 158 154 $216
93356 Heart muscle strain imaging 146 144 $42

In context: peer comparison

Among 5 peers in Mission Viejo Cardiovascular Disease Physician, average services per provider: 129. This provider delivers 56× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,212
Transactions
33
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 15 $1,948.88
Abiomed 7 $986.54
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $61.52
E.R. Squibb & Sons, L.L.C. 3 $60.42
Boston Scientific Corporation 1 $42.34
Novartis Pharmaceuticals Corporation 1 $32.91
Inari Medical, INC. 1 $31.71
Actelion Pharmaceuticals US, INC. 1 $25.49
Pfizer INC. 1 $22.06

By nature of payment

Travel and Lodging
$2,029
Food and Beverage
$1,182

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,823
Patients
798
Total drug cost
$384,167
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 553 144 $10,388
Atorvastatin Calcium Generic 441 124 $5,974
Clopidogrel (Clopidogrel Bisulfate) Brand 289 82 $3,193
Furosemide Generic 210 65 $1,478
Losartan Potassium Generic 192 57 $2,955
Warfarin Sodium Generic 181 84 $2,736
Nifedipine ER (Nifedipine) Brand 154 37 $6,002
Entresto (Sacubitril/Valsartan) Brand 146 29 $157,714
Amlodipine Besylate Generic 119 36 $798
Metoprolol Tartrate Generic 109 26 $974

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Arthur Loussararian's medical specialty?
Dr. Arthur Loussararian practices Cardiovascular Disease Physician in Mission Viejo, CA.
Where does Dr. Arthur Loussararian practice?
Dr. Arthur Loussararian practices at 26800 Crown Valley Pkwy, Mission Viejo, CA 926916384. Office phone: 9493643388.
What is Dr. Arthur Loussararian's NPI?
Dr. Arthur Loussararian's National Provider Identifier (NPI) is 1720065121, issued by NPPES.
Does Dr. Arthur Loussararian accept Medicare assignment?
Yes. Dr. Arthur Loussararian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arthur Loussararian commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Blood test, clotting time (HCPCS 85610). Source: CMS Medicare Physician & Other Practitioners file.