
Dr. Leonard Joseph Hertko M.D.
Internist
13561 Ishnala Dr Orland Park IL, 60462About
Dr. Leonard Hertko is an internist practicing in Orland Park, IL. Dr. Hertko specializes in the medical treatment of adults. Internists can act as a primary physician or a consultant to a primary physician. They manage both common and rare diseases. Dr. Hertko provides comprehensive care and manages treatment with surgeons as well. Internists establish long-term relationships with their patients and incorporate disease prevention and mental health care into their practice.
Education and Training
Saint Louis University School of Medicine 1960
Provider Details

Dr. Leonard Joseph Hertko M.D.'s Expert Contributions
What does lung scarring indicate with resolution of opacities?
The lung scarring is the end stage of the healing process. The more important question is, "How has the scarring affected your lung function?" READ MORE
Anemic from low iron?
The iron deficiency is not due to a vitamin deficiency or her diet but at age 70 the possibility of slow chronic blood loss from her G-I tract READ MORE
What do high lymphocytes mean?
Without knowing the exact lymphocyte count, I would generalize as follows. In a young person, the elevated count could simply reflect a recent viral infection. In an older person( i.e. >55 ) chronic lymphocytic leukemia has to be considered. READ MORE
Can you get strep throat without tonsils?
Yes ! READ MORE
Pain in stomach and back after eating
See your doctor ASAP. An ultrasound exam of your abdomen should be done. READ MORE
When should I see a geriatrician?
Continued follow-up with your long term internist is more than adequate. READ MORE
Is there a best time of year to get the flu shot?
Oct-Nov READ MORE
Is my bronchitis still contagious?
NO READ MORE
Cloudy urine with strong odor- What could it be?
The ammonia odor would suggest a urinary tract infection. READ MORE
Vasovagal syncope getting worse
See a cardiologist and have a tilt table study and a Holter monitor study. READ MORE
Expert Publications
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Leonard Hertko
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Nearby Providers
- Dr. Nanette Gormley MD9641 W 153rd St Orland Park IL 60462
- Dr. Mohamad Al-massalkhi M.D.13526 TALLGRASS TRL ORLAND PARK IL 60462
- James Dunne MD14489 John Humphrey Dr Orland Park IL 60462
- Dr. Taj Elahi M.D.29 Orland Square Dr Orland Park IL 60462
- Dr. Natalie Pitaro M.D.15300 West Ave Orland Park IL 60462
- Dr. Salem Jad Makdah M.D.15300 WEST AVE ORLAND PARK IL 60462
Nearest Hospitals
PALOS COMMUNITY HOSPITALl
12251 SOUTH 80TH AVENUE PALOS HEIGHTS IL 60463ADVOCATE CHRIST HOSPITAL & MEDICAL CENTERl
4440 W 95TH STREET OAK LAWN IL 60453METROSOUTH MEDICAL CENTERl
12935 S GREGORY BLUE ISLAND IL 60406