Danielle Y. Ponzio, M.D.

Dr. Danielle Ponzio is an Orthopaedic Surgeon with specialized training in hip and knee joint replacement and complex revision joint replacement.

Dr. Ponzio was born and raised in New Jersey.  She completed her undergraduate education at Princeton University, where she was a molecular biology major and varsity lightweight women's rower.  She received her medical degree from Jefferson Medical College and went on to complete residency in Orthopaedic Surgery at the Rothman Institute at Thomas Jefferson University Hospital.  Most recently, she completed a fellowship in Adult Reconstruction at Hospital for Special Surgery (HSS) in New York.  Dr. Ponzio has authored numerous journal publications and textbook chapters and actively conducts research in the field of Orthopaedic Surgery.  As an avid athlete, enjoying cycling, running, skiing, and yoga, Dr. Ponzio is committed to getting her patients back to active lifestyles. 

Dr. Ponzio provides guidance through options of non-surgical and surgical care for musculoskeletal conditions affecting the hip or knee.  These include degenerative arthritis, inflammatory arthritis, post-traumatic arthritis, avascular necrosis, hip dysplasia, infection, and fracture.  Dr. Ponzio also evaluates patients who are having difficulty after a prior hip or knee replacement.  She strives to provide each individual patient with highly personalized care.

Education
  • B.A., Princeton University, Princeton, NJ
  • M.D., Jefferson Medical College, Philadelphia, PA
  • Residency, Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA
  • Fellowship, Adult Reconstruction, Hospital for Special Surgery, New York, NY
Titles & Certifications
  • Associate Attending Orthopaedic Surgeon, Rothman Institute
  • Associate Attending Orthopaedic Surgeon, Thomas Jefferson University Hospital
Hospital Affiliations
  • AtlantiCare Regional Medical Center
  • Thomas Jefferson University Hospital
Professional Associations
  • American Association of Hip and Knee Surgeons (AAHKS)
  • American Academy of Orthopaedic Surgeons (AAOS)

Leanne McKeown, PA-S

Leanne graduated from the Philadelphia University Physician Assistant Program where she received her Master of Science in Physician Assistant Studies. She received her Bachelor Degree in Health and Exercise Science from Rowan University and has worked in Orthopaedics since 2000. Leanne has experience evaluating patients in the clinic as well as in the operating room as a Surgical Technologist. She has been involved in the care and treatment of all types of patients and athletes, including the Philadelphia Phillies. She currently works with Dr. Danielle Ponzio and sees patients at our Egg Harbor Township and Hammonton, NJ offices. Leanne lives in South Jersey with her husband and two children.

Research Publications

Publications, peer reviewed:

  • Tennen RI, Haye JE, Wijayatilake HD, Arlow T, Ponzio D, Gammie AE. Cell-cycle and DNA damage regulation of the DNA mismatch repair protein Msh2 occurs at the transcriptional and post-transcriptional level. DNA Repair. 2013 Feb 1;12(2):97-109. doi: 10.1016/j.dnarep.2012.11.002.
  • Tischler EH, Ponzio DY, Diaz-Ledezma, C, Parvizi J. Prevention of Venous Thromboembolic Events Following Femoroacetabular Osteoplasty: Aspirin is Enough for Most. Hip Int. 2013 Aug 9:0. doi: 10.5301/hipint.5000079
  • Ponzio DY, Vaccaro AR, Harrop JS, Ponzio RJ, Kepler CK, Meredith D. Vertebral Artery Pseudoaneurysm Resulting in Embolic Stroke as a Complication of Posterior C1 Lateral Mass Screw Fixation: A Case Report. JBJS Case Connector. 2013 Sep 25;3(3):e93 1-5. doi: 10.2106/JBJS.CC.M.00109
  • Ponzio DY, Lonner JH. Preoperative Mapping in Unicompartmental Knee Arthroplasty Using Computed Tomography Scans is Associated with Radiation Exposure and Carries High Cost. Journal of Arthroplasty. 30 (2015) 964-967. http://dx.doi.org/10.1016/j.arth.2014.10.039
  • Ponzio DY, Sina Shahi A, Park AG, Purtill JJ. Intraoperative Proximal Femoral Fracture in Primary Cementless Total Hip Arthroplasty. Journal of Arthroplasty. 30 (2015) 1418-1422. http://dx.doi.org/10.1016/j.arth.2015.02.043
  • Ponzio DY, Pedowitz DI, Verma K, Malenfort MG, Winters BS, Raikin SM. Radiographic Outcomes of Postoperative Taping Following Hallux Valgus Correction. Foot & Ankle International. 2015, Vol 36(7) 820-826. DOI: 10.1177/1071100715573748 fai.sagepub.com
  • Ponzio DY, VanBeek C, Wong JC, Padegimas EM, Anakwenze OA, Getz CL, Abboud JA, ACESS Group. Profile of Current Opinion on Arthroscopic Acromioplasty: A Video Survey Study. Arthroscopy. 2016 Jul;32(7):1253-62. doi: 10.1016/j.arthro.2016.01.010. Epub 2016 Apr 23.
  • Ponzio DY, Park AG, Bhat SB, Purtill JJ. Can We Reduce the Utilization of Home-Visiting Nurse Services After Primary Total Joint Arthroplasty? J Arthroplasty. 2016 Sep;31(9 Suppl):50-3. doi: 10.1016/j.arth.2016.02.078. Epub 2016 Mar 17.
  • Ponzio DY, Lonner JH. Robotic Technology Produces More Conservative Tibial Resection than Conventional Techniques in UKA. Am J Ortho. November/December 2016: E465-E468.

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