Doctor profile · Federal record

Dr. Margarite Matossian

Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1306427646
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave, Mc 7082
Chicago, IL 606371443
(773) 702-6840
fax (773) 834-3950
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 605276686

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
June 28, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #125.077763

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306427646. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,095
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
TerSera Therapeutics LLC 2 $2,095.00

By nature of payment

Consulting Fee
$2,000
Food and Beverage
$95

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
151
Patients
29
Total drug cost
$2,337
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 36 16 $624
Amlodipine Besylate Generic 29 13 $411
Gabapentin Generic 21 0 $390
Lisinopril Generic 14 0 $151
Losartan Potassium Generic 14 0 $97
Metformin Hcl Generic 14 0 $144
Simvastatin Generic 12 0 $177
Diclofenac Sodium Generic 11 0 $345

Frequently asked questions

Auto-generated from federal data
What is Dr. Margarite Matossian's medical specialty?
Dr. Margarite Matossian practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Margarite Matossian practice?
Dr. Margarite Matossian practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 7737026840.
What is Dr. Margarite Matossian's NPI?
Dr. Margarite Matossian's National Provider Identifier (NPI) is 1306427646, issued by NPPES.