Rosemary Matossian, MD
NPI 1053999060 · Emergency Medicine Physician · Harvey, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosemary Matossian, MD is a Emergency Medicine Physician provider in Harvey, IL (NPI 1053999060).
Provider details
- NPI number
- 1053999060
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036175172 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1400 Pelham Pkwy SBuilding 6 Suite B125Bronx, NY 10461-1138Phone: (718) 918-5820
Registry dates
- Enumerated
- 2021-03-31
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Rosemary Matossian's NPI number?
- Rosemary Matossian's National Provider Identifier (NPI) is 1053999060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Matossian's specialty?
- Rosemary Matossian is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Matossian located?
- Rosemary Matossian's practice location on file with NPPES is 1 Ingalls Dr, Harvey, IL 60426-3558.
- What is Rosemary Matossian's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Matossian is (708) 915-5290.
- Does Rosemary Matossian accept Medicare?
- Rosemary Matossian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosemary Matossian's NPI active?
- Yes — Rosemary Matossian's NPI (1053999060) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.