Allergists in Illinois
234 doctors with an allergy or immunology specialty list a practice address in Illinois. 187 are in current Medicare records as allergists.
By metro area
Outside metro areas
Allergists 14
Chicago 2
Paul Faybusovich, DOAllergist
Centracare ClinicPO Box, Chicago, IL 60673
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Marie Denise A. Guanzon, MDAllergist
Centracare ClinicPO Box, Chicago, IL 60673
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Telehealth in Medicare claims.Report a problem
Danville 1
Justine Ade, MDAllergist
Carle Health Care Incorporated516 W Madison St, Danville, IL 61832
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Davis Junction 1
Fatima T. Mohiuddin, MDAllergist
Swedishamerican Hospital5665 N Junction Way, Sa Davis Junction, Davis Junction, IL 61020(779) 696-9200
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Effingham 1
John R. Zech, MDAllergist
Carle Health Care Incorporated401 N Keller Dr, Suite 3, Effingham, IL 62401(217) 347-6400
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Freeport 1
Timothy E. Jessen, MDAllergist
Freeport Memorial Hospital1045 W Stephenson St, Freeport, IL 61032(815) 599-6000
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Marion 2
Jeffrey M. Lehman, MDAllergist
Deaconess Illinois Specialty Clinic, Inc.3331 W Deyoung St, Marion, IL 62959(618) 998-7600
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Jacques Papazian, MDAllergist
Deaconess Illinois Specialty Clinic, Inc.3331 W Deyoung St, Marion, IL 62959(618) 998-7600
Deaconess Illinois Specialty Clinic, Inc.4117 S Water Tower Pl, Mount Vernon, IL 62864(618) 242-0672
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Mattoon 2
James Hildebrandt, DOAllergist
Sarah Bush Lincoln Health Center1000 Health Ctr Dr, Mattoon, IL 61938(217) 258-2525
Medicare records: Internal Medicine (October 2026). Allergy specialty from the national provider registry.Accepts Medicare assignment.Report a problem
Sean Tully, DOAllergist
Carle Health Care Incorporated200 Lerna Rd S, Mattoon, IL 61938(217) 258-5900
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Mount Vernon 1
Ian K. McLeod, MDAllergist
Midwest Sinus Sleep and Allergy Associates, LLC3124 Veterans Memorial Dr, Mount Vernon, IL 62864(618) 628-0715
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Quincy 3
Mary S. Doellman, DOAllergist
Quincy Physicians and Surgeons Clinic, PLLC1025 Maine St, Quincy, IL 62301(217) 222-6550
Medicare records: Otolaryngology (October 2026). Allergy specialty from the national provider registry.Accepts Medicare assignment.Report a problem
Jason E. Knuffman, MDAllergist
Quincy Physicians and Surgeons Clinic, PLLC1025 Maine St, Quincy, IL 62301(217) 222-6550
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Ellen L. Pratt, MDAllergist
Quincy Physicians and Surgeons Clinic, PLLC1025 Maine St, Quincy, IL 62301(217) 222-6550
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Pediatric allergists 1
Mary N. Jacobson, MDPediatric allergist
PO Box, Chicago, IL 60677
Medicare records: Pediatric Medicine (October 2026). Allergy specialty from the national provider registry.May accept Medicare assignment.Report a problem
Older registry records 5
These doctors list an allergy specialty and a practice address in Illinois, outside its metro areas in the national provider registry, but haven’t updated their record in five years or more and don’t appear in current Medicare records. Many have probably moved or retired. Call before you go.
Show the older records
Carbondale 1
Ronald D. Mings, MDAllergist
1001 E Main St, 2A Ppe, Carbondale, IL 62901(618) 549-9385
National provider registry only, not updated since 2014. May have moved or retired.Report a problem
Effingham 1
Surendra P. Agarwal, MDAllergist
711 W Saint Anthony Ave, Effingham, IL 62401(217) 342-3800
National provider registry only, not updated since 2007. May have moved or retired.Report a problem
Mount Vernon 1
Dennis P. Mlot, MDENT doctor (otolaryngic allergy)
2413 Broadway St, Mount Vernon, IL 62864(618) 244-6559
National provider registry only, not updated since 2007. May have moved or retired.Report a problem
Olney 1
Niranat Dejtiranukul, MDENT doctor (otolaryngic allergy)
800 E Locust St, Olney, IL 62450(618) 395-7340
National provider registry only, not updated since 2011. May have moved or retired.Report a problem
Quincy 1
Gary B. Carpenter, MDAllergist
1025 Maine St, Quincy, IL 62301(217) 222-6550
National provider registry only, not updated since 2008. May have moved or retired.Report a problem
From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors