Summary

Dr. Barry Zeffren is an internal medicine physician who specializes in allergy and immunology. He earned his medical degree from St. Louis University School of Medicine and completed his residency at St. Louis University Hospital. With 47 years of experience in practice, Dr. Zeffren brings extensive knowledge to treating patients with allergic conditions and immune system disorders. He speaks both English and Spanish.

Dr. Zeffren practices at multiple locations throughout Illinois, including Glen Carbon, Alton, Greenville, Highland, and Litchfield. His hospital affiliations include Gateway Regional Medical Center, HSHS Saint Joseph's Hospital Highland, and Alton Memorial Hospital, among others. He specializes in treating rhinitis and seasonal allergic rhinitis. His expertise includes performing allergy skin tests, allergen immunotherapy, and sublingual immunotherapy to help patients manage their allergic reactions. Patients rate Dr. Zeffren 4.3 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 47 years of experience
  • speaks English, Spanish
  • St Louis University Hospital
  • 2 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 6 hospital affiliations
  • 10 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Barry Francis Zeffren has 10 locations

Allergy And Asthma Care Ltd

4 Country Club Executive ParkGlen Carbon, IL 62034
Mon1:00 pm - 6:00 pm
Tue1:00 pm - 4:30 pm
Wed9:30 am - 6:00 pm
ThuClosed
Fri10:30 am - 12:00 pm
SatClosed
SunClosed

Allergy And Asthma Care Ltd

2 Memorial Dr Ste 201Alton, IL 62002
MonClosed
TueClosed
WedClosed
Thu1:00 pm - 5:00 pm
FriClosed
SatClosed
SunClosed

Allergy And Asthma Care Ltd

200 Health Care DrGreenville, IL 62246
MonClosed
Tue9:30 am - 11:30 am
WedClosed
ThuClosed
FriClosed
SatClosed
SunClosed

Allergy And Asthma Care Ltd

12860 Troxler AveHighland, IL 62249
MonClosed
Tue9:30 am - 11:30 am
WedClosed
ThuClosed
FriClosed
SatClosed
SunClosed

Alton Memorial Hospital

1 Memorial DrAlton, IL 62002

Hshs Saint Josephs Hospital Highland

12866 Troxler AveHighland, IL 62249

Gateway Regional Medical Center

2100 Madison AveGranite City, IL 62040

Hshs Holy Family Hospital

200 Health Care DrGreenville, IL 62246

Hshs Saint Francis Hospital

1215 Franciscan DrLitchfield, IL 62056

Compare with Similar Doctors

Dr. Barry Francis Zeffren, MD
Dr. Siroth Charnond, MD
Dr. Sreelatha Varma, MD
Dr. Firas Aubeid, MD, MBA, FACP
Dr. Barry Francis Zeffren, MDDr. Siroth Charnond, MDDr. Sreelatha Varma, MDDr. Firas Aubeid, MD, MBA, FACP
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
3.2 
47 Years of Experience 31 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Glen Carbon , ILFLORISSANT , MOSaint Louis , MONEW LENOX , IL
Med School: St Louis University School Of Medicine Med School: University of Mo-Kansas City Sch of Med, Kansas City Mo Med School: University Of Aleppo Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Barry Francis Zeffren

  • Accepts Medicare

Medical Specialties

Dr. Barry Francis Zeffren has the following 2 specialties

Specialty Expertise

Dr. Barry Francis Zeffren has the following 14 areas of expertise

  • Allergies
  • Allergy
  • Allergy & Immunology
  • Asthma
  • Desensitization
  • Food Allergies
  • Hay Fever
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Immunotherapy
  • Itching
  • Nasal Allergy (Rhinitis)
  • Rash
  • Sinusitis
  • Watery Eyes

Certifications, License, & Education

47 Years Experience

Dr. Barry Francis Zeffren holds an active medical license in the state of Illinois.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026.

Education & Training

Residency

Completed their residency at St Louis University Hospital.

Medical School

Graduated from St Louis University School Of Medicine in 1979.

NPI Number

Dr. Zeffren's NPI number is 1205908639.

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Frequently Asked Questions

Does Dr. Barry Zeffren accept virtual/telehealth appointments?
Dr. Barry Zeffren has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Barry Zeffren accepting new patients?
Dr. Barry Zeffren is accepting new patients on Vitals. View Dr. Barry Zeffren's profile on Vitals to make an appointment.
Which hospitals is Dr. Barry Zeffren affiliated with?
Dr. Barry Zeffren is affiliated with Gateway Regional Medical Center, Hshs Saint Josephs Hospital Highland, Hshs Saint Francis Hospital, Alton Memorial Hospital, Osf Healthcare Saint Anthonys Health Center, and HSHS HOLY FAMILY HOSPITAL.
Where is Dr. Barry Zeffren's office located?
Dr. Barry Zeffren's office is located at 4 Country Club Executive Park, Glen Carbon, IL, 62034.
What languages does Dr. Barry Zeffren speak?
Dr. Barry Zeffren speaks English and Spanish.

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