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Edit this profileNikolai Arendovich, MD practices emergency medicine in Oak Lawn, IL. Nikolai is a 2017 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). According to Medicare claims data, Nikolai cared for 343 Medicare patients across 346 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes. The provider's National Provider Identifier (NPI) is 1871014654.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4440 W 95TH ST
Oak Lawn, IL 60453
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Bites & Stings
Brain & Nerves
Endocrine & Metabolic
Eye Care
Injuries & Trauma
Rashes & allergy
Skin & Infections
Urinary & Bladder
Women's Health
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Blood & Circulation
Breathing
Digestion & Stomach
Ear, Nose & Throat
Environmental
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Spine & Back
Urinary & Kidney
Abdominal Procedures
Breathing & Airway
Critical Care
Diagnostic testing
Diagnostics
Ear, Nose & Throat
Eye & ENT
Heart & Diagnostics
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Toxicology
Women's Health
Wound Care
Airway & Breathing
Anesthesia & Sedation
Digestive Care
Eye Care
Heart Care
Orthopedic Procedures
Supportive Care
346 services · 343 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
14 | Less often than most peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
123 | As often as other peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
94 | More often than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
66 | More often than most peers in Emergency Medicine |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
49 | More often than most peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Arendovich is an emergency physician in Oak Lawn, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. Arendovich is listed at 4440 W 95Th St, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (708) 684-5354. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Arendovich's National Provider Identifier is 1871014654. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Arendovich attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Arendovich has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Arendovich provides treatments such as electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Arendovich. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.
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