- Chronic disease management
- Preventive medicine
- Wellness examination
Zachary John Kosak, MD
he/him
Family Medicine
LGBTQ+ affirming provider
This provider is in Penn Medicine’s LGBTQ+ Affirming Care Network and is trained to provide inclusive care.
Accepting new patients
Sees patients age newborn and up
Penn Family Care
Penn Medicine Provider
About me
- Assistant Professor of Clinical Family Medicine and Community Health
My education and training
- Drexel University College of MedicineMedical School
- UPMC Shadyside HospitalResidency
Spoken languages
English
English
Reviews
Insurance accepted
Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.
- Aetna Advantra Cares D-SNP
- Aetna Advantra Credit Value
- Aetna Advantra Eagle HMO
- Aetna Advantra Eagle POS
- Aetna Advantra Premier Plus PPO
- Aetna Advantra Value
- Aetna Advantra Value Plus
- Aetna APCN Plus (Multi-Tier)
- Aetna Better Health Kids (CHIP) - DH Only
- Aetna Flexible Five
- Aetna Freedom Core
- Aetna Gold
- Aetna HMO
- Aetna Philly Prime
- Aetna POS
- Aetna PPO APCN
- Aetna Premier
- Aetna Premier Plus
- Aetna Savings Plus
- Aetna Signature Administrators
- Aetna Student Health Plan PPO
- Aetna Upfront Advantage
- First Health HMO
- First Health POS
- First Health PPO
- Meritain - Aramark (Other)
- Meritain - Aramark (Pennsylvania Premier Medical Plan)
- Centivo EPO
- Cigna Healthcare EPO
- Cigna Healthcare HMO
- Cigna Healthcare POS
- Cigna Healthcare PPO
- Claim Watcher (Homestead/ INDECs) Open Access
- Clover Health Choice
- Clover Health Choice Value PPO
- Clover Health Classic HMO
- Clover Health Value
- Devoted Health Choice Giveback Pennsylvania (PPO)
- Devoted Health Choice Pennsylvania (PPO)
- Devoted Health Choice Plus Pennsylvania (PPO)
- Devoted Health Core Pennsylvania (HMO)
- Devoted Health Dual Plus Pennsylvania (HMO D-SNP)
- Devoted Health Giveback Pennsylvania (HMO)
Locations
Penn Medicine hospital privileges
- Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
- Pennsylvania Hospital: On the medical staff, but does not have privileges to treat patients in the hospital.
Dr. Kosak is a Penn Medicine provider.
Qualifications and experience
- Family Medicine, 2022
- American Academy of Family Physicians, National
- Family Medicine Education Consortium, National
- Pennsylvania Academy of Family Physicians, Local
- Society for Teachers in Family Medicine, National
All conditions and treatments
Research
Publications
Kosak ZJ, Wang JY, Heath JK, Dine CJ Comparing Evaluations of Family Medicine Residents by Gender and Ethnicity , Family Medicine: 2026
Orr A, Lee J, Bhatt V, Kosak Z, Wilson S, Linganna A. TaskMaster: The Subintern Adventure Game—game-based learning for medical subintern task prioritization. , MedEdPORTAL, 19: 2023
Weaver-Agostoni J, Kosak Z, Bartlett S Allergic Rhinitis: Rapid Evidence Review , American Family Physician, 107(5): 2023,466-473
Kosak Z Incorporating telehealth into family medicine training: an emerging need , Family Medicine, 54(4): 2022,316-317
Kosak ZJ, Patel DD Pop goes the patella: A case of patellar tendon rupture , Visual Journal of Emergency Medicine, 7: 2017,11-12
Roesch SL, Styer AM, Wood GC, Kosak Z, Seiler J, Benotti P, Petrick AT, Gabrielsen J, Strodel WE, Gerhard GS, Still CD, Argyropoulos G Perturbations of fibroblast growth factors 19 and 21 in type 2 diabetes , PLoS ONE, 10(2): 2015