George Nassif, DO

George Nassif, DO

Colon And Rectal Surgery

General Surgery

Accepting new patients

Offers video visits

Reason for Visit
Oct 19 - Jan 19
661 E Altamonte Dr Suite 220 Altamonte Springs 32701
Please call the office or complete the request form for the most up-to-date availability.


Altamonte Springs

AdventHealth Medical Group Colorectal Surgery at Altamonte Springs

661 E Altamonte Dr

Suite 220

Altamonte Springs, FL 32701

Get Directions


Formerly known as Center for Colon

Lake Mary

AdventHealth Medical Group Colorectal Surgery at Lake Mary

755 Rinehart Road

Suite 100

Lake Mary, FL 32746

Get Directions


Formerly known as Center for Colon




George Nassif, Jr., DO, FACS, FASCRS is a board-certified colon and rectal surgeon with special training in minimally invasive and robotic-assisted techniques. A product of the colorectal surgery fellowship program at AdventHealth Medical Group, Dr. Nassif was invited to join the practice's esteemed medical team upon completion of his training. His many areas of specialty include, but are not limited to, pelvic 3-D endorectal ultrasound, transanal minimally invasive surgery (TAMIS), single-incision laparoscopic surgery, colonoscopy for both screening and treatment, colorectal cancer surgery, pelvic floor disorders, stomas and hernia issues. He is an award-winning graduate of the Lake Erie College of Osteopathic Medicine in Erie, PA, the Allegheny General Hospital General Surgery Residency program in Pittsburgh, and the Lankenau Medical Center's fellowship in minimally invasive laparoscopic colorectal cancer in Wynnewood, PA. Awards & Recognitions Fellow of American College of Surgeons, Fellow of American College of Colon and Rectal Surgeons, ASCRS Self-Assessment Committee, NAPRC Standard Committee. Differentiators Dr. Nassif brings award-winning technique and unparalleled compassion to his work every day. He is committed to patient-centered care that utilizes his skills in comprehensive treatments or minimally invasive surgery. Every patient and their family is unique, and Dr. Nassif and his team are committed to making sure that it's about the individual and their goals from the initial meeting.

Care Philosophy

Dr. Nassif strives to work with the patient and their family to ensure they not only feel confident in the path forward, but comfortable that they're all working together to get to that goal.

Personal Interests

Dr. Nassif enjoys spending all of his time with his wife and four sons.

Languages Spoken



Lake Erie College of Osteopathic Medicine


Allegheny General Hospital


AdventHealth Orlando Lankenau Medical Center

Board Certifications

Colon & Rectal Surgery: American Board of Colon and Rectal Surgery


Note:- The list below is for reference purposes only and is subject to change. Please check with your health plan to confirm that George Nassif, DO is included before scheduling an appointment.

  • AARP
  • AdventHealth Advantage Plan
  • Aetna / US Healthcare - non HMO
  • Aetna / US Healthcare HMO
  • Aetna Voluntary
  • Allegiance
  • American Healthcare Alliance
  • Amerigroup
  • Assurant Health
  • Aultcare/Primetime Health Plan
  • AvMed
  • Beech Street
  • Benefit Administrative Systems
  • Better Health
  • Blue Cross-CA
  • CHC National
  • CHC of Florida
  • Central Florida IPA
  • Champus Tricare For Life
  • Champva
  • Choicecare (Cinci OH)
  • Cigna
  • Cigna Behavioral
  • Cigna Supplemental Insurance
  • Cigna-Healthspring
  • Coastal Healthcare Admin
  • Commercial Travelers
  • Contracts
  • Corporate Billing
  • Employee Benefit Consultants
  • Evolutions Healthcare
  • FamilyCare Health Plans
  • First Health Network
  • Florida Hospital HC Systems
  • Freedom Health
  • Gilsbar
  • Global Care
  • Group & Pension Administrators
  • Group & Pension Administrators
  • HVHS
  • Health First Health Plans
  • HealthPartners
  • Healthease of FL
  • Healthscope Benefits Inc
  • Humana
  • Insurance Mgmt Admin of LA
  • Kelsey Seybold
  • Key Benefit Administrators
  • Magellan Behavioral
  • Magellan Complete Care
  • Medicaid-FL
  • Medicaid-Virgin Islands
  • Medicare PIN
  • Memorial Integrated Healthcare
  • Mental Health
  • Meritain Health
  • Molina Healthcare of FL
  • Multiplan
  • NGS Coresource
  • OneNet PPO
  • Optum Health
  • Oscar Health
  • Other Commercial (MedLic#)
  • PHCS
  • PaySpan
  • Prestige Health Choice
  • Railroad Medicare-Palmetto
  • Simply Healthcare
  • Sunshine State Health Plan
  • The Health Plan
  • Total Claims Administration Inc
  • Tricare East
  • US Dept of Labor-Workers Comp
  • United American Ins
  • United Behavioral
  • United Healthcare
  • United Healthcare Community Plan
  • United Medical Resources
  • Veterans Affairs - HealthNet
  • Wellcare
  • Wellspan Health
  • Work Comp