Kathryn Marie O'Connor, MD| Foot And Ankle Orthopedic Surgery | MedStar Health

Kathryn Marie O'Connor, MD
Provider is directly employed by MedStar Health

4.6 out of 5 (121 reviews)

Specialities: Foot And Ankle Orthopedic Surgery

Languages: English

301-774-8959

About me

Dr. Kathryn M. O’Connor is a board certified, fellowship trained orthopedic surgeon who specializes in foot and ankle surgery. Her areas of special interest and expertise include:

  • Foot and ankle trauma
  • Achilles ruptures and tendonitis
  • Arthritis of the foot
  • Tendonitis of the ankle
  • Revision of previous foot surgery
  • Deformity correction

Dr. O’Connor believes in a collaborative approach to developing tailored treatment plans for each patient. She focuses on a holistic approach and offers her patients the complete spectrum of treatments, including non-surgical treatments as well as surgical options, to treat disorders of the foot and ankle.

She has published in several peer-reviewed journals, written book chapters, and presented at conferences in the U.S. and Canada. In addition, she was an assistant professor of orthopedic surgery at the University of Pennsylvania for 5 years, prior to joining MedStar Health.

Outside of work, Dr. O’Connor is an avid runner and cyclist and enjoys spending time with her family.

Clinical areas of focus

  • Achilles Tendon Injury
  • Ankle Arthritis
  • Ankle Fracture
  • Ankle Joint Replacement
  • Ankle Tendon Tear
  • Bunion
  • Diabetic Limb Salvage
  • Nerve Surgery Of The Ankle
  • Peroneal Tendon Surgery
  • Sports Medicine Of The Foot
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Conditions and procedures

Conditions I treat

  • Abnormalities Of The Tarsal Bones
  • Accessory Navicular
  • Achilles Tendon Injury
  • Achilles Tendon Tear
  • Achilles Tendonosis
  • Ankle Arthritis
  • Ankle Dislocation
  • Ankle Fracture
  • Ankle Impingement
  • Ankle Injury
  • Ankle Instability
  • Ankle Nerve Compression
  • Ankle Pain
  • Ankle Sprain
  • Ankle Strain
  • Ankle Tendon Tear
  • Avascular Necrosis Of Navicular
  • Avascular Necrosis Of The Ankle
  • Base Of Fifth Metatarsal Fracture
  • Bunion
  • Bursitis Of The Ankle
  • Bursitis Of The Foot
  • Bursitis Subcutaneous Tendo Achilles
  • Charcot Foot
  • Chronic Lateral Ankle Pain
  • Chronic Tendinosis Of The Ankle
  • Chronic Tendinosis Of The Foot
  • Clawfoot
  • Clawtoe
  • Clubfoot
  • Common Peroneal Nerve Lesions
  • Compartment Syndrome
  • Congenital Deformity Of Ankle
  • Congenital Deformity Of Foot
  • Deformity Of Forefoot
  • Degenerative Joint Disease Of The Foot
  • Diabetic Foot Infection
  • Diabetic Ulcer
  • Fibula Fracture
  • Flatfoot
  • Foot And Ankle Compartment Syndrome
  • Foot Arthritis
  • Foot Drop
  • Foot Fracture
  • Foot Infection
  • Foot Injury
  • Foot Mass
  • Foot Osteoarthritis
  • Foot Pain
  • Foot Tendon Tear
  • Foot Ulcer
  • Foot Wound
  • Freibergs Disease
  • Frostbite Of Toes
  • Haglund Deformity
  • Hammer Toe
  • Heel Pain
  • Heel Spur
  • Insertional Achilles Tendinitis
  • Joint Pain In Ankle And Foot
  • Lisfranc Tear
  • Lower Extremity Neuropathy
  • Mallet Toe
  • Malunion Fracture Of The Foot
  • Morton Neuroma
  • Nonunion Fracture Of The Foot
  • Open Dislocation Of Ankle
  • Orthopedic Infections
  • Osteochondral Lesions Of The Foot And Ankle
  • Osteochondral Lesions Of The Talus
  • Osteochondritis Dissecans Ocd Of The Ankle
  • Osteochondritis Dissecans Ocd Of The Talus
  • Osteoid Osteoma
  • Osteonecrosis
  • Osteonecrosis Of The Foot
  • Overuse Injury
  • Overuse Injury Of The Ankle
  • Paratenonitis
  • Persistent Pain After Orthopedic Surgery
  • Plantar Fasciitis
  • Posterior Tibial Tendon Tear
  • Pronation
  • Pseudarthrosis Of The Tibia
  • Sesamoiditis
  • Stress Fractures
  • Subtalar Dislocation
  • Sural Nerve Injury
  • Syndesmosis Sprain
  • Synovial Chondromatosis
  • Tarsal Coalition
  • Tarsal Tunnel Syndrome
  • Tendinosis
  • Tendon Injury
  • Tibial Pseudarthrosis
  • Tibial Spine Fracture
  • Tibial Tendonitis
  • Toe Bone Spur
  • Toe Dislocation
  • Toe Fracture
  • Turf Toe
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Procedures I perform

  • Achilles Tendon Surgery
  • Amputation Of The Foot Surgery
  • Amputation Of The Toe Surgery
  • Ankle Distraction Arthroplasty
  • Ankle Fusion
  • Ankle Joint Preservation
  • Ankle Joint Replacement
  • Ankle Surgery
  • Arthroscopy Of Ankle
  • Arthroscopy Of Foot
  • Arthroscopy Of Subtalar
  • Cartiva Procedure
  • Correction Of Bunion
  • Decompression Of Tarsal Tunnel
  • Deformity Correction Of Foot Ankle
  • Diabetic Foot Care
  • Diabetic Limb Salvage
  • Exertional Compartment Release
  • Flat Foot Surgery
  • Foot Ganglion Cyst Removal
  • Foot Surgery
  • Fusion Arthrodesis
  • Fusion Of Joint
  • Hammer Toe Repair
  • Joint Aspiration
  • Joint Injection
  • Joint Revision
  • Minimally Invasive Achilles Tendon Surgery
  • Minimally Invasive Surgery Of The Ankle
  • Minimally Invasive Surgery Of The Foot
  • Nerve Surgery Of The Ankle
  • Nerve Surgery Of The Foot
  • Non Surgical Fracture Care
  • Orthotics
  • Peroneal Nerve Release
  • Peroneal Tendon Surgery
  • Plantar Fasciitis Surgery
  • Repair Claw Toe
  • Shin Splint Surgery
  • Shockwave Treatment For Plantar Fasciitis
  • Sports Medicine Of The Foot
  • Tendon Repair Surgery
  • Transmetatarsal Amputation Tma Surgery
  • Unna Boot
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Practice locations

Distance from Change LocationEnter your Location

18101 Prince Philip Drive
Olney, MD, 20832

301-774-8958

Fax 301-774-8959

Get Directions

miles away

Fax 301-774-8959

Insurance

MedStar Medical Group accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Medical Group, please call your insurance company.

  • List of insurance plans we accept
    • Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus
    • Aetna Quality Point of Service (POS)
    • Aetna USAccess (POS)
    • Aetna Student Health Insurance
    • Aetna Medicare Advantage HMO & PPO Plans
    • CFBCBS BlueChoice HMO
    • CFBCBS Blue Choice Opt Out Plus Open Access (POS)
    • CFBCBS Maryland Point of Service Plan (MPOS)
    • CFBCBS Federal Employee Program (Std. & Basic PPO)
    • CFBCBS Maryland Indemnity or PPO
    • CFBCBS (NCA) Indemnity
    • CIGNA HMO & Network (HMO)
    • CIGNA POS/Network POS
    • Great-West Healthcare POS/CIGNA
    • CIGNA Indemnity
    • Coventry Health Care of Virginia
    • Coventry of Delaware HMO/PPO
    • First Health PPO
    • FIRST HEALTH
    • Tricare Prime
    • Tricare Standard
    • Tricare Extra (Indemnity)
    • Tricare for Life (Medicare Supplemental Plan)
    • MedStar Family Choice - Maryland Health Choice
    • MedStar Select (MedStar Associates' Plan)
    • MedStar Medicare Choice
    • United Healthcare Select HMO - EPO/NPP
    • United Healthcare Select Plus (POS)
    • United Healthcare Choice Plus
    • United Student Resources
    • M.D. IPA (HMO)
    • M.D. IPA Preferred (POS)
    • Optimum Choice Preferred (POS) & OCI Direct (HMO)
    • Mamsi Life & Health (Indem./PPO)
    • Aetna Worker's Compensation Network
    • Coventry Health Care National Network PPO
    • Private Health Care Systems (PHCS) (PPO)
    • United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)
    • OneNet PPO, Inc.
    • United Healthcare Choice
    • United Healthcare Core Essential (HMO)
    • Optimum Choice
    • United Healthcare Navigate
    • United Healthcare Compass (HMO)
    • CIGNA HMO Open Access (OA)
    • Network OA
    • POS OA & OA Plus
    • CIGNA EPO
    • PPO and PPO Plus
    • Choice Fund PPO
    • CFBSBC Blue Preferred PPO
    • HealthyBlue PPO
    • CFBCBS Blue Choice Opt Out Open Access
    • BlueChoice Open Access
    • Blue Choice Advantage & Healthy Blue (HMO, POS)
    • Aetna Traditional Choice (PPO)
    • Innovation Health: Indemnity
    • Aetna Open Choice (PPO)
    • Innovation Health: PPO
    • Aetna Managed Choice (POS)
    • Innovation Health: POS Plus
    • Aetna Elect Choice/ Open Access (POS)
    • Innovation Health: Open Network Only Plus
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Innovation Health: POS
    • Open HMO
    • Opoen HMO Option
    • Open EPO Plus
    • Aetna Managed Choice Open Access (POS)
    • Choice POS & Choice POS II
    • Innovation Health: Open POS Plus
    • Open POS II
    • Aetna HMO
    • Select HMO/HealthFund/Health Network
    • Aetna Innovations: HMO & EPO Plus

Education

Fellowship Program: Washington University Medical Center (2015)

Graduate Education: Washington University School of Medicine (2015)

Residency Program: Mount Sinai Hospital (2014)

Graduate Education: Mount Sinai Medical Center (2014)

Internship Program: Mount Sinai Hospital (2010)

Medical School: University of Rochester School of Medicine (2009)

News and publications

Publications, peer-reviewed


  1. O’Connor, K., Baumhauer, J., Houck, J., Patient factors in the selection of operative versus non-operative treatment for posterior tibial tendon dysfunction Foot and Ankle Int. 2010: 31; 197-202

  2. O’Connor, K, et al., Correlation of clinical, operative and histopathologic diagnosis of interdigital neuroma and the cost of routine diagnosis  Foot and Ankle Int. 2016:37; 70-74.

  3. O’Connor, K, et al., Clinical and operative factors related to successful revision arthrodesis in the foot and ankle. Foot and Ankle Int. 2016: 37; 809-15

  4. O’Connor, K, et al.  Total Ankle Arthroplasty: Summary of the Current Status.  AOFAS Evidence-Based Medicine Committee. Foot and Ankle Orthopaedics,2018; September 1-6. DOI: 10.1177/2473011418790003

  5. Hullfish T, OConnor K, Baxter J. Medial gastrocnemius muscle remodeling correlates with reduced plantar flexor kinetics fourteen weeks following Achilles tendon rupture  Journal of Applied Physiology, Accepted for publication June 2019



Invited publications, book chapters, non-peer reviewed


  1. O’Connor, K., Baumhauer, J., Bragdon, G. Sexual dysmorphism in the foot and ankle: Gender differences in foot and ankle anatomy and its reflection of foot and ankle injury Orthopaedic Clinics of North America 2006: 37; 596-574.

  2.  Baumhauer, J., O’Connor, K.  Are foot and ankle problems worse for women?  AAOS Now 2008: 2; 21.

  3. O’Connor, K. Fractures of the Foot and Ankle; A Clinical Casebook Springer Publishing. 2018


Ratings and reviews

  • Provider explained things understandably

    4.6
  • Provider listened carefully

    4.7
  • Provider gave easy to understand instructions

    0.0
  • Provider knew medical history

    4.6
  • Provider showed respect

    4.6
  • Provider spent enough time with patient

    4.7
  • Oct 21, 2021

    Assistant, physician's assistant and doctor were all excellent and helpful.

  • Sep 28, 2021

    This was my 1st visit with Dr. O'Connor. I will have prescribed test this week. There is no diagnosis yet. It is too early in our relationship to rate or recommend her.

  • Sep 7, 2021

    Good