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DR. ESTEBAN LINAREZ M.D.
NPI 1740483262
Internal Medicine in Oak Park, IL

Active since June 11, 2007PECOS EnrolledAccepts Medicare Assignment
5.95/100
CMS Quality Rating
850 MADISON ST, OAK PARK, IL 60302(708) 613-4140(708) 434-5641 Get Directions Write a Review

NPPES record last updated: December 23, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Esteban Linarez M.d. NPPES

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

DR. ESTEBAN LINAREZ M.D. (NPI 1740483262) is an individual internal medicine provider in Oak Park, Illinois, licensed in Illinois (036111049) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2001).

NPPES Registry Identity

NPI1740483262
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ESTEBAN LINAREZCredential: M.D.
Location Address850 MADISON STOak Park, IL 60302-4463
Mailing Address850 Madison StOak Park, IL 60302-4463 · (708) 613-4140 · Fax (708) 434-5641
Phone(708) 613-4140
Fax(708) 434-5641
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2001
Enumeration DateJune 11, 2007
Last NPPES UpdateDecember 23, 2011
✔ NPI 1740483262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036111049
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
850 MADISON ST, Oak Park, IL 60302
Open in Google Maps ↗

Other Identifiers 3

Other200265904IL · Tax Id
Medicare PIN211335IL
Medicare PIN206975IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Dr. Esteban Linarez 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.

PECOS PAC ID6103891692
PECOS Enrollment IDI20040827001234
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.

Medicare Billing Reassignment

Medicare enrollment records show Esteban Linarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Esteban Linarez Sleep, LLC
Same address
Sleep Medicine
850 W. MADISON STREET, SUITE A
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
NPI 1689800443 (708) 613-4140

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 7

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.

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.
434 services280 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
149 services119 patients
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399
A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.
69 services32 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
57 services55 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
53 services53 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60302 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

5.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost19.84

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
16 suppliers655 claims655 services$32.28 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
12 suppliers265 claims265 services$70.78 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
12 suppliers275 claims673 services$27.93 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
14 suppliers319 claims1,635 services$14.81 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
8 suppliers117 claims581 services$12.51 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
14 suppliers422 claims422 services$44.94 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Esteban Linarez's NPI number?

The NPI number for Esteban Linarez is 1740483262. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Where is Esteban Linarez located?

Esteban Linarez practices at 850 Madison St, Oak Park, IL 60302. The listed phone number is (708) 613-4140.

What is Esteban Linarez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Esteban Linarez enrolled in Medicare?

Yes. Esteban Linarez 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 Esteban Linarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esteban Linarez reassigns Medicare benefits to Esteban Linarez Sleep, LLC (Oak Park, IL). 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 Esteban Linarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Esteban Linarez accept?

Health plans from Oscar Health list Esteban Linarez 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.

When was this NPI record last updated?

The NPPES record for Esteban Linarez was last updated on December 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.