MARK A ARONICA M.D.
NPI 1124082821
Allergy & Immunology in Cleveland, OH
About Mark A Aronica M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A ARONICA M.D. (NPI 1124082821) is an individual allergy & immunology provider in Cleveland, Ohio, licensed in Ohio (35079988) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic, and is a graduate of State University Of New York At Buffalo School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark A Aronica M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Aronica reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44195
- Reassigned Medicare billing, Ohio enrollment
- 7,608 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cleveland Clinic
Acute Care Hospitals · Cleveland, OHReferred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Aronica's NPI number?
The NPI number for Mark Aronica is 1124082821. It was assigned to this individual provider in the NPPES registry on April 12, 2006.
Where is Mark Aronica located?
Mark Aronica practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (800) 223-2273.
What is Mark Aronica's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Mark Aronica enrolled in Medicare?
Yes. Mark Aronica is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Aronica's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Aronica reassigns Medicare benefits to The Cleveland Clinic Foundation (Cleveland, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Aronica's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Aronica accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Corporation of Ohio list Mark Aronica as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Aronica affiliated with any hospitals?
According to CMS data, Mark Aronica is affiliated with Cleveland Clinic.
When was this NPI record last updated?
The NPPES record for Mark Aronica was last updated on March 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark A Aronica, M.D. · NPI 1124082821
Allergy & Immunology physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since April 12, 2006.
## Identity
- **NPI:** 1124082821 (Entity type: Individual)
- **Enumerated:** April 12, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 35079988 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 9500 EUCLID AVE, Cleveland, OH 44195-0001
- **Phone:** (800) 223-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Cleveland Clinic Foundation (NPI 1679525919, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** March 29, 2022
- **Other identifiers:** Other 030005019 (OH); Medicaid 2270180 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1124082821) · Data from the CMS NPPES public registry.