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Dr. Francis Ennis, MD

Greenwich, CT

20 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ennis, Orthopedic Surgeon in Greenwich, CT?

    Dr. Francis Ennis, MD is an Orthopedic Surgeon, who primarily practices in Greenwich, CT with 2 additional practice locations. He has been practicing for over 20 years and is board certified. Dr. Ennis graduated from Duke University School of Medicine. Dr. Ennis is fluent in English, Croatian, and Spanish, and is currently seeing new patients. Dr. Ennis’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ennis’s office at (203) 869-1145.

    What are Areas of Expertise for Dr. Ennis?

    Dr. Francis Ennis, MD is a highly-rated, board-certified Orthopedic Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ennis empowers patients to confidently navigate their health journey, specializing in Arthritis, Arthritis-Hip & Knee, Arthroscopic Surgery, Arthroscopic Surgery-Hip, Arthroscopic Surgery-Knee, Fractures, Hip & Knee Replacement, Robotic Surgery, Telemedicine, and comprehensive wellness support. Serving the Greenwich, CT community, Dr. Ennis is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Ennis go to medical school and complete their residency?

    • Medical School: Duke University School of Medicine

    Is Dr. Ennis board certified as an Orthopedic Surgeon?

    Yes, Dr. Francis Ennis, MD is board certified by the American Board of Orthopaedic Surgery

    What languages does Dr. Ennis speak?

    Dr. Ennis and their clinical team can communicate with patients in the following languages:

    • Croatian

    • English

    • Spanish

    What conditions does an Orthopedic Surgeon like Dr. Ennis typically treat?

    As an Orthopedic Surgeon, Dr. Ennis diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ennis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Joint Replacement Aftercare
    • Hip Replacement
    • Joint Disorder
    • Knee Replacement
    • Post-joint replacement care
    • Joint surgery recovery
    • Orthopedic aftercare

    ICD-10 Codes:

    • Z471: Aftercare following joint replacement surgery

    Also known as:

    • Osteoarthritis of the left knee
    • Primary Osteoarthritis in Right Knee
    • Primary Osteoarthritis in Right Hip
    • Osteoarthritis
    • Degenerative joint disease
    • Wear-and-tear arthritis
    • Arthrosis
    • Joint degeneration
    • Right Knee Arthritis
    • Right Knee Degenerative Joint Disease
    • Right Hip Arthritis
    • Right Hip Degenerative Joint Disease

    ICD-10 Codes:

    • M1712: Unilateral primary osteoarthritis, left knee
    • M1711: Unilateral primary osteoarthritis, right knee
    • M1611: Unilateral primary osteoarthritis, right hip

    What procedures does an Orthopedic Surgeon like Dr. Ennis typically perform?

    As an Orthopedic Surgeon, Dr. Ennis performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ennis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Computer-Assisted Musculoskeletal Surgery (Image-less)
    • Navigational Musculoskeletal Surgery
    • Image-less Computer-Guided Surgery
    • Orthopedic Navigation System
    • CAS Musculoskeletal Surgery

    CPT Codes:

    • 20985: Computer-assisted surgical navigational procedure for musculoskeletal procedures, image-less (List separately in addition to code for primary procedure)

    Also known as:

    • Total Knee Replacement
    • Knee Replacement
    • Total Knee Arthroplasty
    • Knee Joint Replacement
    • Full Knee Replacement
    • TKA Surgery

    CPT Codes:

    • 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)

    Also known as:

    • Bladder Ultrasound for Residual Urine
    • Post-void residual urine measurement
    • Bladder capacity ultrasound
    • Non-imaging bladder scan

    CPT Codes:

    • 51798: Measurement of post-voiding residual urine and/or bladder capacity by ultrasound, non-imaging

    Does Dr. Ennis accept my insurance?

    Dr. Ennis accepts most major insurance plans. Important: Please call our office at (203) 869-1145 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ennis accept in Greenwich, CT?

    Dr. Ennis in Greenwich, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • Cigna

    • Connecticut and New York State Workers Compensation

    • Elevance Health Inc. (formerly Anthem)

    • Emblemhealth

    • Empire Blue Cross Blue Shield

    • Medicare

    • Oxford Health Plans

    • United Healthcare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Ennis' office located?

    Dr. Francis Ennis' Primary Practice

    6 Greenwich Office Park

    Greenwich, CT 06831

    (203) 869-1145

    Get Directions

    Dr. Francis Ennis' Practice 2

    1931 Black Rock Tpke

    Fairfield, CT 06825

    Get Directions

    Dr. Francis Ennis' Practice 3

    249 Danbury Rd

    Wilton, CT 06897

    Get Directions

    What is Dr. Ennis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Ennis's National Provider Identifier (NPI) number is 1144200031.

    What common questions do patients ask about Dr. Ennis?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ennis

    What is Dr. Francis Ennis's specialty?

    Dr. Ennis is a Orthopedic Surgeon near Greenwich, CT.

    What does an Orthopedic Surgeon do?

    An orthopedic surgeon has specialization in preserving, investigating, and restoring the form and function of the extremities, spine, and related structures through medical, surgical, and physical methods. They care for patients with musculoskeletal issues, including congenital deformities, trauma, infections, tumors, metabolic disturbances, and degenerative diseases affecting the spine, hands, feet, knees, hips, shoulders, and elbows in both children and adults. Additionally, orthopedic surgeons address primary and secondary muscular problems and the impact of central or peripheral nervous system lesions on the musculoskeletal system.

    Is this Dr. Francis Ennis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ennis is affiliated with Greenwich Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Orthopedic Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Orthopedic Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Francis Ennis accepting new patients in Greenwich, CT?

    Yes, Dr. Francis Ennis is accepting new patients at this time.

    Does Dr. Francis Ennis offer online booking?

    Please contact Dr. Ennis's office at (203) 869-1145 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Francis Ennis?

    Please contact Dr. Ennis's office at (203) 869-1145 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Francis Ennis have?

    Dr. Francis Ennis is certified by the American Board of Orthopaedic Surgery.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>