Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Qusai Taher Alitter, MD

Individual provider Internal Medicine Physician · NPI 1093169419

Qusai Taher Alitter, MD is an Internal Medicine in Peru, Illinois. Qualified in 2012, 14 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Connecticut, Illinois, New Jersey and Wisconsin.

Years since qualifying
14
Licensed in
CT, IL, NJ, WI
In the registry since
2016
Specialties on file
8
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

920 W St
Peru, IL 61354-2763
Phone: (815) 431-5757
Fax: (815) 575-4060
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 20 York St, New Haven, CT 06510-3220 — (203) 737-5699
  • 4201 W Medical Center Dr, McHenry, IL 60050-8409 — (815) 759-4323
  • 3 Erie Ct, Oak Park, IL 60302-2519 — (708) 763-1471
  • 20201 Crawford Ave, Olympia Fields, IL 60461-1010 — (708) 704-4000

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 036149239 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036149239 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 25MA11921200 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 71642-20 (WI)
Hospitalist Physician Taxonomy 208M00000X · Licence 80235 (CT)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036149239 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036149239 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1093169419
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2016
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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