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QUSAI TAHER ALITTER M.D.
NPI 1093169419
Internal Medicine - Pulmonary Disease in Peru, IL

Active since April 21, 2016PECOS EnrolledAccepts Medicare Assignment
920 WEST ST, PERU, IL 61354(815) 431-5757(815) 575-4060 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 3, 2026, Mar 19, 2025, Apr 28, 2022 and 3 more (6 updates tracked since 2020).

About Qusai Taher Alitter M.d. NPPES

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

QUSAI TAHER ALITTER M.D. (NPI 1093169419) is an individual pulmonary disease provider in Peru, Illinois, licensed in Illinois (036149239) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1093169419
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameQUSAI TAHER ALITTERCredential: M.D.
Location Address920 WEST STPeru, IL 61354-2763
Mailing Address920 West StPeru, IL 61354-2763 · (815) 431-5757 · Fax (815) 575-4060
Phone(815) 431-5757
Fax(815) 575-4060
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 21, 2016
Last NPPES UpdateJune 3, 20266 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1093169419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in IL · 036149239
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036149239 (IL), 71642-20 (WI)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 25MA11921200 (NJ), 036149239 (IL)
Also ListedHospitalistTaxonomy 208M00000X · License 80235 (CT), 036149239 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
920 WEST ST, Peru, IL 61354
Open in Google Maps ↗

Secondary Practice Locations 4

Location 13 Erie Ct, Suite L700Oak Park, IL 60302-2519 · Phone (708) 763-1471
Location 220201 Crawford AveOlympia Fields, IL 60461-1010 · Phone (708) 704-4000
Location 34201 W Medical Center DrMcHenry, IL 60050-8409 · Phone (815) 759-4323 · Fax (815) 759-4948
Location 420 York StNew Haven, CT 06510-3220 · Phone (203) 737-5699

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

Qusai Taher Alitter 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 ID7012201767
PECOS Enrollment IDI20191011000811, I20250324001251
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 4

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 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
114 services55 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
29 services22 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
29 services29 patients
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.
22 services20 patients

Hospital Affiliations CMS Care Compare

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

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61354 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers11 claims11 services$60.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MARK ALLEN FERNANDEZ M.D.
Internal Medicine
920 WEST ST, STE 311
PERU, IL 61354
Lasalle County (815) 223-9214
PETER J MEIER M.D.
Orthopaedic Surgery
920 WEST ST, STE 211
PERU, IL 61354
Lasalle County (815) 223-2143
RAM L & NEELAM GOEL PTR
Internal Medicine (Gastroenterology)
920 WEST ST, SUITE 116
PERU, IL 61354
Lasalle County (815) 223-6222
MS. NORA ROSE BURCH WHNP-BC
Nurse Practitioner (Obstetrics & Gynecology)
920 WEST ST
PERU, IL 61354
Lasalle County (815) 431-0435
MICHELLE VASQUEZ MD
Family Medicine
920 WEST ST, SUITE 311
PERU, IL 61354
Lasalle County (815) 223-9214
DR. THOMAS M CURRY MD
Surgery
920 WEST ST, SUITE 214
PERU, IL 61354
Lasalle County (815) 223-0207
DR. RAM GOEL MD
Internal Medicine (Gastroenterology)
920 WEST ST, SUITE 116
PERU, IL 61354
Lasalle County (815) 223-6222
DR. WON YANG KIM M.D.
Internal Medicine
920 WEST ST, SUITE 218
PERU, IL 61354
Lasalle County (815) 223-6443

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 Qusai Alitter's NPI number?

The NPI number for Qusai Alitter is 1093169419. It was assigned to this individual provider in the NPPES registry on April 21, 2016.

Where is Qusai Alitter located?

Qusai Alitter practices at 920 West St, Peru, IL 61354. The listed phone number is (815) 431-5757.

What is Qusai Alitter's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Qusai Alitter enrolled in Medicare?

Yes. Qusai Alitter 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.

Is Qusai Alitter affiliated with any hospitals?

According to CMS data, Qusai Alitter is affiliated with Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Qusai Alitter was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.