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Summary
Dr. Allan Ong is an internal medicine physician who specializes in hospital medicine, bringing 27 years of medical experience to his practice. He earned his medical degree from the University of the Philippines Manila College of Medicine and completed his residency training at Mercy Hospital and Medical Center. Dr. Ong is board-certified in internal medicine and communicates with patients in English.
Dr. Ong practices at OSF Saint Anthony Medical Center in Rockford, Illinois, where he focuses on providing comprehensive care for hospitalized patients. His clinical expertise includes treating urinary tract infections and managing complex respiratory conditions such as aspiration pneumonia. He has extensive experience caring for patients who develop breathing complications from aspiration injuries.
Dr. Ong practices at OSF Saint Anthony Medical Center in Rockford, Illinois, where he focuses on providing comprehensive care for hospitalized patients. His clinical expertise includes treating urinary tract infections and managing complex respiratory conditions such as aspiration pneumonia. He has extensive experience caring for patients who develop breathing complications from aspiration injuries.
Overview based on verified provider data
Quick Facts
- 27 years of experience
- speaks English
- Mercy Hospital And Medical Center
- 2 specialties
- 5 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Osf Saint Anthony Medical Center
5666 E State StRockford, IL 61108 Tel: (815) 226-2000
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm
Compare with Similar Doctors
 |  |  | |
| Dr. Allan Lim Ong, MD | Dr. Adewumi Bakare DMSc, PA-C | Dr. Firas Aubeid, MD, MBA, FACP | Dr. William Robert Weede |
| Internal Medicine | Internal Medicine | Internal Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 27 Years of Experience | 5 Years of Experience | 19 Years of Experience | 7 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | Speaks English | |
| Rockford , IL | Mesquite , TX | New Lenox , IL | Rockford , IL |
| Med School: University Of The Philippines Manila College Of Medicine | Med School: University of Lynchburg - DMSc | Med School: University Of Aleppo Faculty Of Medicine | Med School: University Of Illinois At Chicago College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Allan Lim Ong
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Allan Lim Ong has the following 2 specialties
Specialty Expertise
Dr. Allan Lim Ong has the following 5 areas of expertise
Certifications, License, & Education
27 Years Experience
Dr. Allan Lim Ong holds an expired medical license in the state of Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Residency
Completed their residency at Mercy Hospital And Medical Center.
Medical School
Graduated from University Of The Philippines Manila College Of Medicine in 1999.
NPI Number
Dr. Ong's NPI number is 1760411367.
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Frequently Asked Questions
- Where is Dr. Allan Ong's office located?
- Dr. Allan Ong's office is located at 5666 E State St, Rockford, IL, 61108.
- Which hospitals is Dr. Allan Ong affiliated with?
- Dr. Allan Ong is affiliated with Osf Saint Anthony Medical Center.
- How can I make an appointment with Dr. Allan Ong?
- You can find contact information for Dr. Allan Ong here on Vitals.
- Does Dr. Allan Ong accept virtual/telehealth appointments?
- Dr. Allan Ong has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Allan Ong accept my insurance?
- You can see the insurance plans that Dr. Allan Ong accepts on their Vitals profile.
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