John Guarino M.D., F.A.C.S.
Board Certified General Surgeon · Founder
Dr. John Guarino is a Board Certified General Surgeon specialized in Gastrointestinal Endoscopy and Laparoscopic Surgery.
John F. Guarino, M.D., P.A. · Port Charlotte & Charlotte County, FL
Charlotte Harbor Surgical
Colonoscopy, Upper Endoscopy (EGD) & General Surgery — Using Advanced Laparoscopic Minimally Invasive & Robotic techniques.
Screening & Diagnostic Endoscopy Center: Our four board-certified surgeons perform high-volume colonoscopy and upper endoscopy (EGD) for colon cancer screening, polyp removal, acid reflux (GERD), and trouble swallowing.
The practice of Charlotte Harbor Surgical and its associates has been serving Charlotte County and the surrounding area for over 31 years. The mission has always been to provide the highest quality surgical and endoscopic care with Dr. Guarino, Dr. Tufts, Dr. Brown, and Dr. Campbell.
- Gastrointestinal Endoscopy: Screening & Diagnostic Colonoscopy, Upper Endoscopy (EGD), Polypectomy, Esophageal Dilation & Feeding Tubes
- General, Laparoscopic & Robotic Surgery: Hernia Repair, Gallbladder, Colon & Abdominal, Anti-Reflux / Hiatal Hernia (GERD)
- Breast, Cancer & Bariatric Surgery: Breast Cancer Surgery & Biopsy, Cyst & Mass Removal, and Bariatric / Weight-Loss Surgery with Dr. Campbell
Our Most Common Procedures in Port Charlotte
Everyday general surgery and endoscopy for patients from Port Charlotte, Punta Gorda, North Port, Englewood and across Charlotte County.
Featured treatments
HemWell™ Hemorrhoid ReliefMiVu™ Reflux TestingBarrett’s Esophagus: Surveillance, TissueCypher® & AblationScreening ColonoscopyColon cancer screening from age 45 and polyp removal.Upper Endoscopy (EGD)Camera exam for reflux, swallowing trouble and upper GI symptoms.Inguinal HerniaGroin hernia repair, most often as same-day surgery.Umbilical HerniaBelly button hernia repair, usually outpatient.Gallbladder SurgeryLaparoscopic gallbladder removal for gallstones.Hiatal HerniaLaparoscopic hiatal and paraesophageal hernia repair.Acid Reflux (GERD)Evaluation and anti-reflux surgery when medicine is not enough.Hemorrhoid TreatmentHemWell™, banding and hemorrhoidectomy.Colon Cancer SurgeryScreening, diagnosis and colon resection for colon cancer.DiverticulitisCare and colon surgery for recurrent or complicated diverticulitis.Barrett’s Esophagus & TissueCypher®Surveillance EGD with biopsies and personal risk testing.MiVu™ Reflux TestingGERD testing during your EGD, with no multi-day capsule.
Front & Center · Gastrointestinal Endoscopy in Port Charlotte
Colonoscopy & Upper Endoscopy (EGD)
Whether you are due for a routine screening colonoscopy (USPSTF and ACS recommend average-risk adults start screening at age 45), need evaluation for reflux, heartburn, swallowing difficulty, abdominal pain, or bleeding with an upper endoscopy (EGD), or need advanced polyp removal, our surgeons provide prompt, comfortable endoscopic care at Murdock Surgery Center and AdventHealth Port Charlotte.
- Colonoscopy: Colon cancer screening, surveillance, and advanced polypectomy
- Upper Endoscopy (EGD): Evaluation of acid reflux (GERD), hiatal hernia, gastritis, ulcers, and dysphagia (including esophageal dilation)
- Barrett’s Esophagus: Surveillance EGD with biopsies and TissueCypher® risk stratification
- MiVu™ Reflux Testing: Mucosal integrity testing for GERD during your EGD, with no multi-day capsule to wear
- Easy-to-Follow Colonoscopy Prep Instructions: Step-by-step plain-English 1-Day Prep and 2-Day Prep guides (large print + printable PDFs)
- NEW — HemWell™ Minimal-Pain Hemorrhoid Treatment: FDA-cleared, non-thermal hemorrhoid relief (Grades I–IV) performed right during your colonoscopy with minimal pain and little downtime
Schedule Your Endoscopy
Book your endoscopy consultation online or call our Port Charlotte office. During your visit we will review your medical history, discuss prep instructions, and schedule your procedure date.
Now Offering HemWell™ (Hemwellectomy) · Non-Thermal, Minimal-Pain Hemorrhoid Relief
Suffering from Bleeding, Itching, or Prolapsing Hemorrhoids? Ask About HemWell™
We now offer HemWell™ (Hemwellectomy)—an FDA-cleared, non-thermal, minimally invasive hemorrhoid treatment that gently shrinks internal hemorrhoids (Grades I through IV) from the inside without cutting, burning, stitches, or lengthy recovery.
- Done Right During Your Colonoscopy: Takes ~10–15 minutes while you are already comfortably asleep—no extra prep and no extra trip
- Minimal Pain & Little Downtime: Uses gentle, pacemaker-level microcurrent energy that preserves the sensitive rectal lining so most patients return to normal activity the same or next day
- Over 90% Effective in 1 Session: Treats all 4 grades (I–IV) and multiple hemorrhoids at once · Covered by Medicare & most major insurers (CPT 46945 / 46946)
Why Patients Choose HemWell™
| FDA-Cleared | All Grades I, II, III & IV |
|---|---|
| Comfort | Minimal Pain (no cutting or burning) |
| Recovery | Same Day / 1–2 Days |
| Sessions | Usually Just 1 (during colonoscopy) |
| Insurance | Medicare & Most Plans (CPT 46945/46946) |
Need an endoscopy procedure?
Book your screening or diagnostic colonoscopy or upper endoscopy (EGD) consultation online, or download our patient prep and screening information.
Need to pay your account balance?
To make your payment, click the link below. Simply enter in your Name and Date of birth to process your payment. No statement number or account number is needed.
CareCredit financing
Call and speak to our office about using CareCredit for your healthcare expenses.
Compassionate Healthcare · Experienced Medical Professionals
Dedicated and experienced physicians. We believe in working with patients to improve their health. We are committed to providing comprehensive health care services to patients in a friendly and comforting atmosphere.
Matthew Tufts M.D., F.A.C.S.
Board Certified General Surgeon
Dr. Matthew Tufts is a Board Certified General Surgeon specializing in Gastrointestinal Endoscopy, Anti-Reflux and Laparoscopic Surgery. Using advanced laparoscopic minimally invasive techniques to perform a broad range of surgery.
Vincent Brown M.D.
Board Certified General Surgeon
Board-certified general surgeon offering minimally invasive and robotic general surgery, endoscopy, and care in English and Spanish.
Charles Campbell D.O.
Board Certified General Surgeon
Dr. Charles Campbell is a general surgeon at Charlotte Harbor Surgical in Port Charlotte, Florida, specializing in advanced robotic and minimally invasive surgery, complex gastrointestinal conditions, foregut surgery, bariatric surgery, and abdominal wall reconstruction.
Surgical Expertise
Specializing in General Surgery which includes Breast, Abdominal, Hernia, Gallbladder, Cyst and Mass removal, Cancer Surgery, Bariatric / Weight-loss surgery (Dr. Campbell), Anti-Reflux, Nissen Fundoplications - GERD / Reflux Surgery, and Gastrointestinal Endoscopy:
- Gastrointestinal Endoscopy: Colonoscopy, Upper Endoscopy (EGD), Polypectomy, Esophageal Dilation & Feeding Tube Placement
- HemWell™ Non-Thermal Hemorrhoid Ligation (Hemwellectomy), Hemorrhoid Banding & Surgical Hemorrhoidectomy
- Barrett’s Esophagus Surveillance Endoscopy & TissueCypher® Risk Testing
- MiVu™ Mucosal Integrity (Reflux) Testing During EGD
- Anti-Reflux, Nissen Fundoplications - GERD / Reflux Surgery & Heller Myotomy
- Hernia Repair (Inguinal, Umbilical, Femoral, Ventral & Spigelian) and Hiatal Hernia Repair
- Gallbladder Surgery (Cholecystectomy) & Splenectomy
- Abdominal, Colon Cancer, Diverticulitis & Small Bowel Surgery
- Breast Surgery (Breast Cancer Surgery & Breast Biopsy)
- Cyst, Lipoma and Mass Removal & Cancer Surgery
- Port (Port-a-Cath) Placement for Chemotherapy & IV Access
- Bariatric / Weight-Loss Surgery (Gastric Bypass, Sleeve Gastrectomy) with Dr. Campbell
- MALS Procedure (Median Arcuate Ligament Syndrome Release) and Peritoneal Dialysis Catheter Surgery with Dr. Campbell
Port Charlotte Location & Hours
- Address
- 4245 Kings Hwy, Unit A
Port Charlotte, FL 33980 - Phone
- (941) 391-5102
- Fax
- (941) 391-6937
- Hours
- Mon–Thu 7:30 am – 4:00 pm
Fri 7:30 am – 12:00 pm - Facilities
- Advent Port Charlotte Hospital
Murdock Surgery Center
If you need urgent care and you have decided to go to an emergency room please use AdventHealth Port Charlotte.
Port Charlotte Location: 4245 Kings Hwy, Unit A, Port Charlotte, FL 33980
Call (941) 391-5102 · Mon–Thu 7:30 am–4:00 pm, Fri 7:30 am–12:00 pm. If you need urgent care and you have decided to go to an emergency room please use AdventHealth Port Charlotte.