
Overview
Mark Fennema, DO, specializes in emergency medicine and is board-certified by the American Board of Emergency Medicine in addition to family medicine/OMT by the American Osteopathic Board of Family Physicians. He is affiliated with UPMC Horizon, UPMC McKeesport, UPMC East, UPMC Passavant, UPMC Somerset, UPMC St. Margaret, and UPMC Jameson. Dr. Fennema received his medical degree from Oklahoma State University College of Osteopathic Medicine.
His clinical expertise encompasses Mast Cell Activation Syndrome (MCAS).
Dr. Fennema is board certified in American Board Of Emergency Medicine and American Osteopathic Board Of Family Physicians. Dr. Fennema is currently accepting new patients.
Graduate Year
Specialties
Licenses
Board Certifications
Hospital Affiliations
Languages Spoken
Gender
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
- HMO
- 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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- 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
- HMO
- MANAGED MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
225 South Center Avenue, Somerset Hospital, Somerset, PA 15501
1211 Wilmington Avenue, Jameson Hospital, New Castle, PA 16105
110 North Main Street, UPMC Horizon Hospital, Greenville, PA 16125
Office
Robert Campbell is an Emergency Medicine provider practicing medicine in Johnstown, Pennsylvania. Dr. Campbell is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Ocular Hypertension (OHT), Ptosis, Cataract Removal, and Trabeculectomy. Dr. Campbell is currently accepting new patients.
UPMC Emergency Medicine
Mallory Wauthier is an Emergency Medicine provider practicing medicine in Pittsburgh, Pennsylvania. Dr. Wauthier is highly rated in 1 condition, according to our data. Her clinical expertise encompasses ALK-Positive Non-Small Cell Lung Cancer. Dr. Wauthier is board certified in American Board Of Emergency Medicine. Dr. Wauthier is currently accepting new patients.
UPMC Bedford Memorial, Emergency Department
David Horton, MD, specializes in emergency medicine and is board-certified in family medicine by the American Board of Family Medicine. He is affiliated with UPMC Bedford. Dr. Horton received his medical degree from Thomas Jefferson University Sidney Kimmel Medical College and completed his residency at Reading Hospital and Medical Center. Dr. Horton is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Muscle Invasive Bladder Cancer, Non-Muscle Invasive Bladder Cancer, and Muscle Spasms. Dr. Horton is board certified in American Board Of Family Medicine.
Frequently Asked Questions about Dr. Mark L. Fennema
How do I make an appointment with Dr. Mark L. Fennema?
You can book an appointment with Dr. Mark L. Fennema by calling their office at 582-264-1123. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mark L. Fennema a top-rated expert for Mast Cell Activation Syndrome (MCAS)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark L. Fennema is classified as an Experienced expert for Mast Cell Activation Syndrome (MCAS), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mark L. Fennema specialize in?
While Dr. Mark L. Fennema is a Emergency Medicine, they have specific expertise in Mast Cell Activation Syndrome (MCAS). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Emergency Medicine.
Does Dr. Mark L. Fennema accept my insurance?
Dr. Mark L. Fennema accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 582-264-1123 to verify that your specific plan is currently accepted before your visit.
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
- Mast Cell Activation Syndrome (MCAS)Dr. Fennema isExperienced. Learn about Mast Cell Activation Syndrome (MCAS).

