NIKOLAI ARENDOVICH MD
NPI 1871014654
Emergency Medicine in Oak Lawn, IL
About Nikolai Arendovich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIKOLAI ARENDOVICH MD (NPI 1871014654) is an individual emergency medicine provider in Oak Lawn, Illinois, licensed in Illinois (036.159538) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2017).
NPPES Registry Identity
Specialties & Licenses
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
Nikolai Arendovich Md 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 Reassignments
5Medicare enrollment records show Nikolai Arendovich reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Chicago, IL 60629
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OAK LAWN, IL 60453
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 Nikolai Arendovich's NPI number?
The NPI number for Nikolai Arendovich is 1871014654. It was assigned to this individual provider in the NPPES registry on June 30, 2017.
Where is Nikolai Arendovich located?
Nikolai Arendovich practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5354.
What is Nikolai Arendovich's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nikolai Arendovich enrolled in Medicare?
Yes. Nikolai Arendovich 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 organizations bill Medicare for Nikolai Arendovich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nikolai Arendovich reassigns Medicare benefits to 5 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL), Cepamerica Illinois LLP (Chicago, IL), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and Southeastern Emergency Physicians Of Memphis LLC (Alton, IL). Each 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 Nikolai Arendovich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nikolai Arendovich affiliated with any hospitals?
According to CMS data, Nikolai Arendovich is affiliated with Presence Saint Joseph Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Nikolai Arendovich was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Nikolai Arendovich, MD · NPI 1871014654
Emergency Medicine physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since June 30, 2017.
## Identity
- **NPI:** 1871014654 (Entity type: Individual)
- **Enumerated:** June 30, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.159538 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (708) 684-5354 · **Fax:** (708) 684-1028
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Cepamerica Illinois LLP (NPI 1164944369, Chicago, IL); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); Southeastern Emergency Physicians Of Memphis LLC (NPI 1437105277, Alton, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2017
## Record status
- **NPPES last updated:** December 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1871014654) · Data from the CMS NPPES public registry.