APD Orthopaedics: Keeping You Active in New Hampshire, Vermont and Beyond

APD Orthopaedics is committed to providing high-quality, personalized care for diseases and injuries that affect the body’s musculoskeletal system - the system of muscles, joints, and bones that keeps your body moving. APD enjoys a reputation as an intelligent choice for patients who need specialty surgery, especially in orthopaedics and neurosurgery. Our patients appreciate receiving their care in an intimate, community-oriented setting. Right here in the Upper Valley, patients have access to an expert team of surgeons, physician assistants, nurses and staff who work closely together to address patient concerns.

We take great care to spend enough time with each patient to determine their personal goals. As a patient-provider team, we create a personalized plan towards realizing those goals with the least invasive, patient-centered approach.


  • Spine surgery
  • Hand, wrist and elbow surgery
  • Hip and knee replacement
  • Knee, shoulder and ankle arthroscopy
  • Fracture management
  • SI joint fusions
  • ACL reconstructions
  • Carpal tunnel surgery
  • Cortisone injections

Hours and Contact

8:00 am to 4:30 pm, Monday through Friday
Orthopaedic Clinic (603) 442-5630
Hand Clinic (603) 442-5990

Orthopaedic Clinic Fax (603) 442-5631
Hand Clinic Fax (603) 442-5127


APD Orthopaedic and Hand Clinic
Medical Office Building at APD
17 Alice Peck Day Drive, Building C
Lebanon, NH 03766
Map of APD (See Building C)

Medical Staff

Our team of professionals diagnoses and treats a variety of orthopaedic conditions including hip and knee disorders, arthritis, athletic injuries, overuse injuries, common fractures and dislocation. 


Dr. John Houde brings 24 years of experience as a board certified Orthopaedic Surgeon and he specializes in general orthopaedics and sports medicine. He is a graduate of Dartmouth Medical School and completed his residency and  fellowship at the University of Massachusetts Medical Center in Worcester, Massachusetts. He also served in the U.S. Air Force as an Orthopaedic Surgeon. His clinical interests include shoulder and knee arthroscopy as well as total joint replacement and sports related injuries. Dr. Houde resides in Meriden, NH and was recently affiliated with Valley Regional Hospital.
(603) 442-5630 

orthopedic video Getting You Back in the Boat: Hip Replacement with Carin and Dr. Houde

orthopedic video Getting Through This Together: Knee Replacement with Steve and Dr. Houde




Dr. Diane C. Riley is a board certified hand surgeon who specializes in the hand, wrist and elbow. Dr. Riley is a member of American Society for Surgery of the Hand (ASSH), where she serves on the public education committee, and is a Fellow of the American Academy of Orthopaedic Surgeons (AAOS). She received her medical degree from Dartmouth Medical School in Hanover, NH and was a Hand Fellow at Tufts Medical Center in Boston, MA.

 Listening to Patients: Bob and Dr. Riley on Multiple Hand and Wrist Surgeries

 Answers for Living with Rheumatoid Arthritis: Kate and Dr. Riley Discuss Their Journey

Getting Back to Cartwheels: Shaylee and Dr. Riley recall Shaylee's Two Broken Wrists

hand surgery videos Explore the American Society for Surgery of the Hand's Patient Information Videos



Dr. Leonard Rudolf is an orthopaedic surgeon performing knee arthroscopies and hip and knee joint replacements, with a sub-specialty in treatment of the lumbar spine. Dr. Rudolf also performs a new technique,  SI joint fusion, to manage SI (sacroiliac)  joint pain. He received his  medical degree from the University of Besançon, France, serving  orthopaedic residencies at Jewish Hospital in Brooklyn, New York and Medical Center and Harlem Hospital Center in New York, New York. He completed his internship at Maimonides Medical Center in Brooklyn and a fellowship in Spine Surgery at Columbia Presbyterian Medical Center in New York.
(603) 442-5630 





Dr. Ivan Tomek specializes in total joint replacement and has been practicing in the Upper Valley since 2003. Dr. Tomek received his medical degree from Dalhousie University, Halifax, NS, Canada followed by a residency in orthopaedic surgery at McGill University, Montreal, PQ, Canada. His fellowship took place at the Hospital for Special Surgery, Cornell University, New York, NY, with emphasis on adult reconstruction (joint replacement). That training culminated in board certification in orthopaedic surgery with the Royal College of Surgeons of Canada.
(603) 442-5630 

apd orthopedic video Time for Patients: Hip Replacement Surgery with Richard and Dr. Tomek

orthopedic video Return to What You Love: Hip Replacement with Bob, Sarah and Dr. Tomek

orthopedic video Anterior Approach Hip Replacement Surgery with Dr. Tomek

orthopedic video Dr. Tomek: The Effects of Arthritis and Treatment Options 


Physician Assistants

Alexandra J. Angelo, MPAs, PA-C joined APD in 2016 as a Physician Assistant. She is originally from McKees Rocks, PA, and received her Master of Physician Assistant Studies and her undergraduate degree in Health Science at Duquesne University in Pittsburgh, PA.








Joel Dizon, MPAS, PA-C is a graduate of the California State University in Chico, California where he earned his undergraduate degree in exercise physiology.  A certification as Emergency Medical Technician preceded his receiving a MA in physician assistant studies at Oregon Health & Science University  in Portland, Oregon. Dizon previously worked in the emergency department at the Harborview Medical Center in Seattle, Washington from 2006 to 2010 and the Access Community Health Center in Madison, Wisconsin from 2010 to 2012.  Since 2012, Dizon has focused on sports medicine, foot and ankle and joint replacement as part of Dartmouth Hitchcock Medical Center Orthopaedic group.    





Rebecca Van Dolah, MPAS, PA-C, MA, ATC joined APD in 2013 as a Physician Assistant. She received her undergraduate degree from Lyndon State College in Lyndonville, VT, a Master's degree in physical education from Western Michigan University in Kalamazoo, MI, and a Master's degree in physician assistant studies from Franklin Pierce University in Lebanon, NH. Van Dolah is certified as a Physician Assistant by the New Hampshire Board of Medicine and licensed as a Physician Assistant in Vermont. Prior to coming to APD, Van Dolah was an Assistant Athletic Trainer at Dartmouth College with responsibilities that included the following Dartmouth athletic teams: men's and women's cross-country, track and field, and swimming and diving; football, women's soccer, basketball, softball, and crew.

orthopeadic video Getting Through This Together: Steve, Dr. Houde and Becky discuss Bilateral Knee Replacement

orthopaedic issues The Place to Come for Orthopaedic Concerns


Sarah Leigl, PA-C

Sarah Liegl, MPAS, PA-C, MPH performs clinic evaluations and treatment of orthopaedic-related injuries, follow-up care of orthopaedic patients and assists with orthopaedic surgical cases. Sarah works under the direction of Dr. Leonard Rudolf, who has been a distinguished surgeon at APD for over 25 years. She holds a Master of Science in physician assistant studies from Albany Medical College in New York. She also earned a Master of Public Health degree in environmental studies and epidemiology form Northwest Ohio Consortium of Public Health in Toledo, Ohio.  Her undergraduate studies were in zoology and african studies at the University of Wisconsin.  

 Return to What You Love: Hip Replacement with Bob, Sarah and Dr. Tomek

orthopeadic concerns The Personal Experience at APD

orthopaedic videos You are Part of the Family