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OSEZUA OLEAR
NPI 1346650249
Internal Medicine - Nephrology in Oak Lawn, IL

Active since April 30, 2014PECOS EnrolledAccepts Medicare Assignment
4457 SOUTHWEST HIGHWAY, SUITE 201, OAK LAWN, IL 60453(708) 598-2448(708) 827-5419 Get Directions Write a Review

NPPES record last updated: March 19, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 15, 2022, Dec 22, 2021, Dec 8, 2021 and 3 more (6 updates tracked since 2019).

About Osezua Olear NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OSEZUA OLEAR (NPI 1346650249) is an individual nephrology provider in Oak Lawn, Illinois, licensed in Illinois (036149908) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1346650249
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameOSEZUA OLEAR
Location Address4457 SOUTHWEST HIGHWAY, SUITE 201Oak Lawn, IL 60453
Mailing AddressPo Box 3877Joliet, IL 60434-3877 · (815) 714-7171
Phone(708) 598-2448
Fax(708) 827-5419
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 30, 2014
Last NPPES UpdateMarch 19, 20246 updates tracked since enumeration
NPPES CertifiedMarch 18, 2024
✔ NPI 1346650249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IL · 036149908
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
4457 SOUTHWEST HIGHWAY, Oak Lawn, IL 60453
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Osezua Olear 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.

PECOS PAC ID7719211416
PECOS Enrollment IDI20190701000916
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
954 services199 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
140 services116 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
99 services53 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
91 services15 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
80 services13 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
69 services34 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician 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.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MUHAMMAD OMER M.D.
Internal Medicine (Nephrology)
4457 SOUTHWEST HIGHWAY, SUITE 201
OAK LAWN, IL 60453
Cook County (708) 598-2448
SUSHANT RAMDAS TAKSANDE MD
Internal Medicine (Nephrology)
4457 SOUTHWEST HIGHWAY, SUITE 201
OAK LAWN, IL 60453
Cook County (708) 598-2448
KIDNEY CARE CENTER SOUTH LLC
Internal Medicine (Nephrology)
4457 SOUTHWEST HIGHWAY, SUITE 201
OAK LAWN, IL 60453
Cook County (708) 598-2448
DR. SONJA MARCIC MD
Internal Medicine (Nephrology)
4457 SOUTHWEST HIGHWAY, SUITE 201
OAK LAWN, IL 60453
Cook County (708) 598-2448

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 Osezua Olear's NPI number?

The NPI number for Osezua Olear is 1346650249. It was assigned to this individual provider in the NPPES registry on April 30, 2014.

Where is Osezua Olear located?

Osezua Olear practices at 4457 Southwest Highway Suite 201, Oak Lawn, IL 60453. The listed phone number is (708) 598-2448.

What is Osezua Olear's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Osezua Olear enrolled in Medicare?

Yes. Osezua Olear 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.

What insurance does Osezua Olear accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and CareSource list Osezua Olear 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 Osezua Olear affiliated with any hospitals?

According to CMS data, Osezua Olear is affiliated with Palos Community Hospital, Osf Little Company Of Mary Medical Center, Advocate Christ Hospital & Medical Center and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Osezua Olear was last updated on March 19, 2024. 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.