Overview
Zachary Berg is a Pulmonary Medicine provider in O Fallon, Illinois. Dr. Berg is highly rated in 6 conditions, according to our data. His top areas of expertise are Emphysema, Obstructive Sleep Apnea, Bullae, and Lung Metastases. Dr. Berg is currently accepting new patients.
His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
3 Saint Elizabeth Blvd, O Fallon, IL 62269
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Marin Kollef is a Pulmonary Medicine provider in Saint Louis, Missouri. Dr. Kollef is highly rated in 5 conditions, according to our data. His top areas of expertise are Pneumonia, Hospital-Acquired Pneumonia, Acute Respiratory Distress Syndrome (ARDS), Gastrostomy, and Liver Embolization. Dr. Kollef is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- BullaeDr. Berg isAdvanced. Learn about Bullae.
- Chronic Obstructive Pulmonary Disease (COPD)
- EmphysemaDr. Berg isAdvanced. Learn about Emphysema.
- Lung MetastasesDr. Berg isAdvanced. Learn about Lung Metastases.
- Lung NodulesDr. Berg isAdvanced. Learn about Lung Nodules.
- Obstructive Sleep ApneaDr. Berg isAdvanced. Learn about Obstructive Sleep Apnea.
- Experienced
- Acute Interstitial PneumoniaDr. Berg isExperienced. Learn about Acute Interstitial Pneumonia.
- ALK-Positive Non-Small Cell Lung Cancer
- AspergillosisDr. Berg isExperienced. Learn about Aspergillosis.
- Atypical PneumoniaDr. Berg isExperienced. Learn about Atypical Pneumonia.
- BronchiectasisDr. Berg isExperienced. Learn about Bronchiectasis.
- Bronchiolitis ObliteransDr. Berg isExperienced. Learn about Bronchiolitis Obliterans.

