Below is a comprehensive list of our Advanced Practice Providers (APPs), who care for our patients in Orthopedics, Physical Medicine & Rehabilitation, and Rheumatology.

Orthopedic and Sports Medicine APPs


Hip & Knee Reconstruction

Portrait of a smiling man wearing glasses, white shirt, and tie on a pale background

William D. Abraham, MD

Hip & Knee Reconstruction

Cranberry/Mars, North Hills

Smiling man with gray hair, glasses, and mustache in a suit jacket, against a blurred background

D. Kelly Agnew, MD

Hip & Knee Reconstruction

Butler-Clearview, Slippery Rock

Smiling person in a dark suit and white shirt, standing before a brick wall.

Eric A. Chen, MD

Hip & Knee Reconstruction

Cranberry/Mars, North Hills, Sewickley

Close-up headshot of a smiling bald man in a white shirt outdoors with a blurred background

Christopher T. Edwards, MD

Hip & Knee Reconstruction

Cranberry/Mars, North Hills

Head-and-shoulders portrait of a bald man in a pale yellow polo shirt against a gray background

Duane Chess, PA-C

Cranberry/Mars, North Hills

APP for Dr. Chen

Portrait of a person smiling against a gray background, wearing a dark collared shirt.

Cranberry/Mars, North Hills

APP for Dr. Abraham


Portrait of a man in a brown suit and blue tie against a dark studio background

Jason Kuchta, MBA, PA-C

Butler-Clearview

APP for Dr. Muzzonigro

Smiling man in a dark suit and tie standing against a brick wall

Chris VanSchepen, PA-C

Butler-Clearview, Slippery Rock

APP for Dr. Agnew

Smiling man in a dark suit and blue plaid tie against a gray background

Butler-Clearview

APP for Dr. Muzzonigro


Sports Medicine & Shoulder Surgery

Man in a white coat and patterned tie smiling in front of a brick wall

Jake D'Antonio, PA-C

Butler-Clearview, Cranberry/Mars, UPMC Lemieux Sports Complex

APP for Dr. Szabo

Smiling woman with brown hair in a striped shirt against a gray background

BHS Crossroads, Cranberry/Mars, UPMC Lemieux Sports Complex

APP for Dr. Waltrip


Smiling man in a black shirt against a light gray background

Jason Vasses, PA-C

North Hills, Slippery Rock, UPMC Lemieux Sports Complex

APP for Dr. Richmond

Hand & Upper Extremity Surgery

Portrait of a smiling person in a black shirt against a plain light background

Nick Fleisner, PA-C

North Hills

APP for Dr. Gause

Smiling man in a light blue button-up shirt against a gray background

Cranberry/Mars, North Hills

APP for Dr. Gause II


Smiling bald man in a patterned shirt and tie against a gray background

Mike Lugarich, PA-C

BHS Crossroads, Slippery Rock

APP for Dr. Pacek

Headshot of a smiling person with long brown hair against a plain light background

Bethany Prince, PA-C

BHS Crossroads, Cranberry/Mars

APP for Dr. Pfaeffle

Smiling man in a brown blazer, blue shirt, and red patterned tie against a gray background

BHS Crossroads, Cranberry/Mars

APP for Dr. Pfaeffle


Smiling person wearing glasses and a dark shirt against a plain light wall

Jason Takacs, PA-C

North Hills

APP for Dr. Gause

Orthopedic Foot & Ankle Surgery

Smiling woman with long auburn hair wearing a black top and silver necklace against a gray background

Jennifer Clark, PA-C

Cranberry/Mars, North Hills

APP for Dr. Edwards

Portrait of a smiling woman with long brown hair in a white blouse against a gray background

Butler-Clearview, Slippery Rock

APP for Dr. Saar


Portrait of a smiling woman with long brown hair against a light gray background

Rebecca Zahniser, PA-C

Butler-Clearview, Slippery Rock

APP for Dr. Saar

Orthopedic Back & Neck Surgery

Smiling bald man with glasses in a purple shirt against a gray background

BHS Crossroads, Slippery Rock

APP for Dr. Rainey


Additional Orthopedic APPs

Portrait of a man with short red hair and a light beard, wearing a dark shirt against a gray background

Dave Brown, PA-C

North Hills

Independent APP

Smiling man in a dark shirt against a light gray background

Multiple Locations

APP for Multiple Teams


Portrait of a man in a light shirt and patterned tie against a plain white background

Randy Troup, PA-C

Multiple Locations

APP for Multiple Teams


Portrait of a smiling woman in a light shirt against a gray backdrop

Carolyn Hemphill, PA-C

Independence Health System

Hospitalist APP

Smiling woman in glasses and a white coat against a gray background

UPMC Passavant

Hospitalist APP


Smiling man with gray hair against a light blue background

Trenton M. Gause, MD

Hand & Upper Extremity Care

North Hills

Smiling man with short brown hair in a light shirt, against a soft gray background

Thomas S. Muzzonigro, MD

Hip & Knee Reconstruction

Butler-Clearview

Headshot of a smiling man in a light shirt against a plain background

Corey A. Pacek, MD

Hand & Upper Extremity Care

BHS Crossroads, Slippery Rock

Smiling man with short dark hair against a plain white background

H. James Pfaeffle, MD, PhD

Hand & Upper Extremity Care

BHS Crossroads, Cranberry/Mars

Headshot of a man with short dark hair and a slight smile against a plain gray background

Scott G. Rainey, DO

Orthopedic Back & Neck Care

BHS Crossroads, Slippery Rock

Headshot of a smiling man in a white shirt against a light background

John M. Richmond, MD

Sports Medicine & Shoulder Surgery

North Hills, Slippery Rock, Lemieux Sports

Portrait of a man in a light shirt, facing the camera with a slight smile, outdoors with blurred greenery behind him

William E. Saar, DO

Orthopedic Foot & Ankle Care

Butler-Clearview, Slippery Rock

Smiling man in a white shirt against a white background

S. Joshua Szabo, MD

Sports Medicine & Shoulder Surgery

Butler-Clearview, Cranberry/Mars, Lemieux Sports

Smiling man in a white shirt against a plain background

Robert L. Waltrip, MD

Sports Medicine & Shoulder Surgery

BHS Crossroads, Cranberry/Mars, Lemieux Sports

Smiling woman with shoulder-length brown hair against a beige background

Megan Groh Miller, MD

Primary Care Sports Medicine

BHS Crossroads, Slippery Rock

Physical Medicine & Rehabilitation APPs

Smiling bald man in glasses and a dark jacket against a light blue background

James L. Cosgrove, MD

Physical Medicine & Rehab

Cranberry/Mars, Slippery Rock

Smiling man in a white shirt against a neutral indoor background

James A. Craig Jr., DO

Physical Medicine & Rehab

BHS Crossroads, Cranberry/Mars

Close-up portrait of a smiling man outdoors, with trees blurred in the background.

Chen Cui, MD

Physical Medicine & Rehab

BHS Crossroads, Cranberry/Mars, North Hills

Smiling blonde woman with glasses on her head outdoors, with a blurred green background

Anna K. Gaines, MD

Physical Medicine & Rehab

Butler-Clearview, Cranberry/Mars, North Hills

Portrait of a smiling person with blonde hair against a light gray background

Debra Arbuthnot, CRNP

BHS Crossroads, Slippery Rock

APP for Drs. Cosgrove and Craig

Close-up portrait of a smiling man in a light blue shirt against a white background

Edward D. Reidy, MD

Physical Medicine & Rehab

BHS Crossroads, North Hills

Smiling person in glasses and a white coat, seated indoors near a window.

Benedict C. Woo, MD

Physical Medicine & Rehab

BHS Crossroads, Cranberry/Mars, North Hills


Rheumatology APPs

Smiling bald man in a white coat against a plain background

Joseph Devich Jr., DO

Physical Medicine & Rehab

BHS Crossroards, North Hills

Portrait of a smiling person with blonde hair in front of window blinds

Betsy F. Shook, MD

Rheumatology

Cranberry/Mars, Slippery Rock

Smiling woman with long blonde hair in a dark top against a light background

Kelly McCullough, PA-C

Cranberry/Mars

APP for Dr. Shook

Smiling woman with long blonde hair in a blue top against a light gray background

Cranberry/Mars, Slippery Rock

APP for Dr. Shook


Head-and-shoulders portrait of a smiling person against a gray background.

Julia West, CRNP

BHS Crossroads, North Hills

APP for Dr. Devich


Smiling woman with short auburn hair in a black top against a light gray background

Rashelle Maderitz, DMSc, PA-C

Butler-Clearview, Cranberry/Mars, North Hills, Slippery Rock

APP for Osteoporosis Program

Make your musculoskeletal health a priority!

Request an Appointment