2026 NPPES data Emergency Medicine Physician NPI 1114416146
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MATTHEW ARONSON

Emergency Medicine Physician in OAK LAWN, Illinois. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
14
Medicare Part D claims · 13 beneficiaries · Emergency Medicine Physician avg: 352
What the federal data reveals: MATTHEW ARONSON is a Emergency Medicine Physician ([object Object]) practicing in OAK LAWN, Illinois with a Medicare Part D prescribing footprint of 14 claims across 13 beneficiaries .

What stands out: MATTHEW ARONSON filed 14 Medicare Part D claims in 2023 across OAK LAWN, Illinois. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

MATTHEW ARONSON practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

MATTHEW ARONSON at a glance

Quality data not reported

NPI registry status

Active

Issued 05/04/2018

NPI 1114416146

Primary specialty

Emergency Medicine Physician

High-volume

64,398 US NPIs in this specialty

Medicare Part D claims

14 96% vs specialty avg

2023 prescription claims

Specialty avg: 352

Specialty distribution in Illinois

How Emergency Medicine Physician compares to other specialties among Illinois providers

Illinois providers

Emergency Medicine Physician share within Illinois

1. Emergency Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Emergency Medicine Physician share within Illinois

Specialty board-certification context

Estimated specialty board-certified rate — Emergency Medicine Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Emergency Medicine Physician ABMS/AOA estimate

Est. board-certified rate (Emergency Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Emergency Medicine Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

MATTHEW ARONSON is a Emergency Medicine Physician provider practicing in OAK LAWN, Illinois, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1114416146. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

MATTHEW ARONSON appears in the CMS NPPES registry as a Emergency Medicine Physician provider at 4440 W 95TH ST, OAK LAWN, IL, 60453, with a listed phone of (708) 684-5375. NPI 1114416146 was issued on 05/04/2018. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ARONSON most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 14 prescription claims written by this provider, covering 13 Medicare beneficiaries and totaling roughly $60 in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Emergency Medicine Physician is a high-volume specialty nationwide, with 64,398 enrolled providers across 56 states and an average of 352 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

4440 W 95TH ST
OAK LAWN, IL 60453

Provider Details

NPI 1114416146
Specialty Emergency Medicine Physician
Gender Male
NPI Issued 05/04/2018

Hospital and facility affiliations

Facilities where MATTHEW ARONSON bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

ADVOCATE HEALTH AND HOSPITALS CORPORATION
OAK LAWN, IL

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

License & disciplinary context — Illinois IDFPR 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~42K Illinois medical licensees in 2023 — they are NOT specific to MATTHEW ARONSON. To verify MATTHEW ARONSON's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

14
Total Claims
$60
Total Drug Cost
13
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
14
Total Day Supply
94
Brand Drug Cost
$0
Generic Drug Cost
$60

Patient Demographics

Average Patient Age
73.8 years
Avg HCC Risk Score
1.73

Emergency Medicine Physician Overview

How MATTHEW ARONSON fits within the Emergency Medicine Physician landscape nationally.

64,398
Emergency Medicine Physician Providers in US
56
States with Emergency Medicine Physician
352
Avg Claims per Provider

MATTHEW ARONSON's 14 claims are below the specialty average of 352.

Nearby Emergency Medicine Physician Providers in Illinois

Other clinicians with the same primary specialty enrolled in Illinois, drawn from the same CMS NPPES roster as ARONSON.

Compare Emergency Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MATTHEW ARONSON's specialty?
MATTHEW ARONSON specializes in Emergency Medicine Physician and practices in OAK LAWN, Illinois.
How much does MATTHEW ARONSON prescribe under Medicare Part D?
In 2023, MATTHEW ARONSON wrote 14 Medicare Part D claims totaling $60 in drug costs for 13 beneficiaries.
Where is MATTHEW ARONSON located?
MATTHEW ARONSON is located at 4440 W 95TH ST, OAK LAWN, IL, 60453. Phone: (708) 684-5375.
What is MATTHEW ARONSON's NPI number?
MATTHEW ARONSON's National Provider Identifier (NPI) is 1114416146, issued on 05/04/2018.
How many Emergency Medicine Physician providers are there in the US?
There are 64,398 Emergency Medicine Physician providers across 56 states in the US. The average Emergency Medicine Physician provider writes 352 Medicare Part D claims per year.
Does MATTHEW ARONSON accept Medicare?
MATTHEW ARONSON appears in CMS Medicare data with 14 Part D claims and 13 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MATTHEW ARONSON's credentials?
MATTHEW ARONSON's NPI is 1114416146. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology