Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Rosemary Siroun Matossian, MD

Individual provider Emergency Medicine Physician · NPI 1053999060

Dr. Rosemary Siroun Matossian, MD is an Emergency Medicine in Harvey, Illinois. Graduated from Tulane University School of Medicine in 2021, 5 years ago. Practices with Harvey Emergency Physicians PLLC, a 49-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
5
Trained at
Tulane University School of Medicine
Licensed in
IL
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Ingalls Dr
Harvey, IL 60426-3558
Phone: (708) 915-5290
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1400 Pelham Pkwy S, Bronx, NY 10461-1138 — (718) 918-5820

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036175172 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1053999060
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2021
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Harvey Emergency Physicians Pllc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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