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Accepting patients
Online booking
Telehealth
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Defnet, Surgeon in Port Jefferson, NY?
Dr. Ann Marie Defnet, MD is a Surgeon, who primarily practices in Port Jefferson, NY with 2 additional practice locations. Dr. Defnet graduated from Loyola University of Chicago and completed her residency at New York University Langone Medical Center. Dr. Defnet is fluent in English, and is currently seeing new patients. Dr. Defnet’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Defnet’s office at (631) 938-6999.
Where did Dr. Defnet go to medical school and complete their residency?
Fellowship: Emory University Hospital
Residency: New York University Langone Medical Center
Medical School: Loyola University of Chicago
What languages does Dr. Defnet speak?
Dr. Defnet and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Defnet treat?
As a Surgeon, Dr. Defnet 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. Defnet. 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.
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
- Excess Weight
- Being Overweight
- High BMI
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
- E669: Obesity, unspecified
Also known as:
- Acute Gallbladder Inflammation
- Gallbladder Disease
- Sudden Gallbladder Attack
- Acute Cholecystitis
- Sudden Gallbladder Infection
ICD-10 Codes:
- K810: Acute cholecystitis
Also known as:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
Also known as:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
What procedures does Dr. Defnet perform?
As a Surgeon, Dr. Defnet 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. Defnet. 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.
Also known as:
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
Also known as:
- Laparoscopic Sleeve Gastrectomy
- Laparoscopic Gastric Bypass Surgery
- Weight Loss Surgery
- Laparoscopy
- Gastric Sleeve Surgery
- Longitudinal Gastrectomy
- Laparoscopic Weight Loss Surgery
- Roux-en-Y gastric bypass
- Bariatric surgery
- Minimally invasive gastric bypass
- Weight loss surgery
CPT Codes:
- 43775: Laparoscopy, surgical, gastric restrictive procedure; longitudinal gastrectomy (ie, sleeve gastrectomy)
- 43644: Laparoscopy, surgical, gastric restrictive procedure; with gastric bypass and Roux-en-Y gastroenterostomy (roux limb 150 cm or less)
Also known as:
- Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
- Keyhole Paraesophageal Hernia Repair
- Laparoscopic Hiatal Hernia Repair
- Fundoplasty (Laparoscopic)
CPT Codes:
- 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
Does Dr. Defnet accept my insurance?
Dr. Defnet accepts most major insurance plans. Important: Please call our office at (631) 938-6999 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Defnet accept in Port Jefferson, NY?
Dr. Defnet in Port Jefferson, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centers Plan for Healthy Living
CVS Health (formerly Aetna)
Medicare
Service Employees International Union (SEIU)
State of Tennessee
View All Insurances
Where is Dr. Defnet's office located?
Dr. Ann Marie Defnet also offers virtual visits
Dr. Ann Marie Defnet's Primary Practice
70 N Country Rd Ste 102
Port Jefferson, NY 11777
(631) 938-6999
Would you like to schedule an appointment with Dr. Ann Marie Defnet?
Dr. Defnet has appointments available at her Port Jefferson, NY office, as well as 2 other locations. Please select a location, date, and time below.
What is Dr. Defnet's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Defnet's National Provider Identifier (NPI) number is 1215298872.
What common questions do patients ask about Dr. Defnet?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Defnet
What is Dr. Ann Marie Defnet's specialty?
Dr. Defnet is a Surgeon near Port Jefferson, NY. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Defnet to book an appointment today.
Is this Dr. Ann Marie Defnet affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Defnet is affiliated with North Shore University Hospital, Long Island Jewish Medical Center which are a Castle Connolly Top Hospitals. 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
Where can I learn more about Surgeon?
Explore Surgeon with 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 Ann Marie Defnet accepting new patients in Port Jefferson, NY?
Yes, Dr. Ann Marie Defnet is accepting new patients at this time.
Does Dr. Ann Marie Defnet offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Defnet, or call (631) 938-6999 for more information.
How can I make an appointment with Ann Marie Defnet?
Yes, Dr. Defnet offers telehealth appointments. You can use online booking to schedule a telehealth appointment with Dr. Defnet, or call (631) 938-6999 for more information.
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