
Overview
Lawrence John, MD, received his medical degree from Case Western Reserve University and his undergraduate at the University of Notre Dame. He is board-certified in family medicine. Dr. John completed his residency at UPMC St. Margaret in family practice. He is the past president of the Pennsylvania Medical Society.
Dr. John is rated as an Experienced provider by MediFind in the treatment of Asthma in Children. His top areas of expertise are Sitosterolemia, Vitamin D Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency.
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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- OTHER MEDICARE PART D
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- MANAGED MEDICAID PLAN
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- 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
100 Delafield Road, Suite 313, Pittsburgh, PA 15215
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.
Heritage Valley Multispecialty Group Inc
Gregg Zernich is a primary care provider, practicing in Family Medicine in Beaver, Pennsylvania. Dr. Zernich is rated as an Advanced provider by MediFind in the treatment of Asthma in Children. His top areas of expertise are Obesity, Obesity in Children, Asthma in Children, and Necrosis.
Genesis Medical Associates
Dr. Matthew Macken is a board-certified Family Medicine doctor at Heyl Family Practice in North Hills of Pittsburgh. Dr. Macken sees patients at both the West View and McCandless offices, as well as Passavant Hospital - McCandless. As a primary care provider for a wide range of patients, Dr. Macken has interests in Sports Medicine, Geriatrics and Adult Internal Medicine.When asked what he likes most about what he does as a physician, he stated, “The opportunity to learn more about my patients and their families’ lives. The unique thing about primary care is the ability to treat patients and build relationships that can last a lifetime.” It’s clearly more about providing a high-quality experience for the patient and truly getting to know their needs as they evolve.When asked what his top goal is for his role as a primary care doctor, he indicated it is, “To maintain the best quality of life for each of my patients and their unique medical needs. In reading various reviews of Dr. Macken’s care of patients at the practice, this review described him perfectly."“Dr. Macken listens very carefully with genuine concern and takes his time explaining his treatment plan, as well as answering any questions you may have. He is a top-notch doctor, along with a kind, caring and courteous staff! I highly recommend Dr. Macken, as well as the PAs in his office." -Martha S.Dr. Matthew Macken and Heyl Family Practice providers are currently accepting new patients. Dr. Macken is rated as an Advanced provider by MediFind in the treatment of Asthma in Children. His top areas of expertise are Seasonal Affective Disorder (SAD), Obesity, Gastroesophageal Reflux Disease (GERD), and Sinusitis.
Heritage Valley Multispecialty Group Inc
Matthew Coombs is a primary care provider, practicing in Family Medicine in Aliquippa, Pennsylvania. Dr. Coombs is rated as an Advanced provider by MediFind in the treatment of Asthma in Children. His top areas of expertise are Obesity, Obesity in Children, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.
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
- Experienced
- Asthma in ChildrenDr. John isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. John isExperienced. Learn about Atherosclerosis.
- Bacterial ProstatitisDr. John isExperienced. Learn about Bacterial Prostatitis.
- BronchitisDr. John isExperienced. Learn about Bronchitis.
- Chronic CoughDr. John isExperienced. Learn about Chronic Cough.
- Coronary Heart DiseaseDr. John isExperienced. Learn about Coronary Heart Disease.

