
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Smithy, Surgical Oncologist in Lake Grove,, NY?
As a colon and rectal physician, I have dedicated my professional life to a field of medicine that combines technical skill, compassion and a commitment to improving the lives of my patients. This journey has been driven by a profound desire to make a meaningful impact on the health and well-being of individuals, particularly in the realm of colorectal health.
What are Areas of Expertise for Dr. Smithy?
Dr. William Smithy, MD is a highly-rated, board-certified Surgical Oncologist 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. Smithy empowers patients to confidently navigate their health journey, specializing in Anorectal Disorders, Colon & Rectal Cancer, Colonoscopy, and comprehensive wellness support. Serving the Lake Grove,, NY community, Dr. Smithy is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Smithy go to medical school and complete their residency?
Fellowship: Colon and Rectal Surgery, Robert Wood Johnson University Hospital, New Brunswick, NJ
Residency: Muhlenberg Reg Med Ctr, Colon And Rectal Surgery; St Luke'S-Roosevelt H-Roosevel, General Surgery | St. Luke's-Roosevelt Hospital Center | MUHLENBERG REGIONAL MEDICAL CENTER
Medical School: Columbia Univ Coll of Physicians And Surgeons, New York Ny | Columbia Univ College of Physicians And Surgeons
Is Dr. Smithy board certified as a Surgical Oncologist?
Yes, Dr. William Smithy, MD is board certified by the American Board of Colon & Rectal Surgery , American Board of Surgery , American Board of Surgery since 1997, American Board of Surgery since 2009, American Board of Surgery since 1988, American Board of Colon & Rectal Surgery since 1989
What languages does Dr. Smithy speak?
Dr. Smithy and their clinical team can communicate with patients in the following languages:
English
What conditions does a Surgical Oncologist like Dr. Smithy typically treat?
As a Surgical Oncologist, Dr. Smithy 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. Smithy. 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.
Also known as:
- Hemorrhoidal Skin Tags
- Hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Piles
- Swollen Veins in Anus
- Anal Lumps
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K644: Residual hemorrhoidal skin tags
- K649: Unspecified hemorrhoids
- K648: Other hemorrhoids
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Intestine Diverticulitis
- Large Intestine Diverticulitis with Perforation and Abscess
- Large Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Abscess
- Inflamed Bowel Diverticula
- Bowel Diverticular Inflammation
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5792: Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
Also known as:
- Digestive System Surgery Aftercare
- After Surgery
- Post-gastrointestinal surgery care
- Stomach surgery aftercare
- Bowel surgery recovery
ICD-10 Codes:
- Z48815: Encounter for surgical aftercare following surgery on the digestive system
Also known as:
- Rectal Abscess
- Abscess
- Rectal Disorder
- Perirectal Abscess
- Pus Pocket in Rectum
- Rectal Infection
ICD-10 Codes:
- K611: Rectal abscess
What procedures does a Surgical Oncologist like Dr. Smithy typically perform?
As a Surgical Oncologist, Dr. Smithy 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. Smithy. 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.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Does Dr. Smithy accept my insurance?
Dr. Smithy accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Smithy accept in Lake Grove,, NY?
Dr. Smithy in Lake Grove,, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Healthfirst New York
MagnaCare Rx Administered Payer
Medicare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Smithy's office located?

Stony Brook Surgical Associates
4 Smith Haven Mall, Suite 200
Lake Grove,, NY 11755
Recognitions
Awards
One of the Doctors of Excellence featured in the previous and latest e
Top Doctors: New York Metro Area
Q&A with Dr. William Smithy, MD
What is Dr. Smithy's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Smithy's National Provider Identifier (NPI) number is 1235158155.
What common questions do patients ask about Dr. Smithy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Smithy
What is Dr. William Smithy's specialty?
Dr. Smithy is a Surgical Oncologist near Lake Grove,, NY.
What does a Surgical Oncologist do?
A surgical oncologist is a highly qualified and trained surgeon with specialized expertise in the prevention, diagnosis, treatment, and rehabilitation of cancer patients. They have received additional training in a multidisciplinary approach and dedicate a significant portion of their practice to these areas, as well as to cancer research.
Is this Dr. William Smithy affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Smithy is affiliated with Stony Brook University 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 a Surgical Oncologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Surgical Oncologist. 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 William Smithy accepting new patients in Lake Grove,, NY?
Yes, Dr. William Smithy is accepting new patients at this time.
Does Dr. William Smithy offer online booking?
Please contact Dr. Smithy's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Smithy?
Please contact Dr. Smithy's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Smithy have?
Dr. William Smithy is certified by the American Board of Colon & Rectal Surgery and American Board of Surgery.
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Stony Brook Cancer Center
Lauterbur Drive
Stony Brook, NY 11794
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