Hotel and Travel Information


The 2018 Annual Clinical Assembly host hotel, is the Atlanta Marriott Marquis in Atlanta, Georgia.

ACOS has negotiated discounted room rates for 2018 Annual Clinical Assembly (ACA) delegates at our host hotel the Atlanta Marriott Marquis in Atlanta, Georgia. Reservations are available on a strictly first come, first served basis. We encourage all participants to reserve their hotel room now as space is limited, and the hotel is sure to fill up quickly!

Atlanta Marriott Marquis
265 Peachtree Center Avenue
Atlanta, Georgia 30303 USA

Room Rate

Single/Double Occupancy

$204/night + tax

Booking your Hotel Room

Online Reservations: Please click on the link provided below or cut and paste this address into your web browser. This dedicated website is already pre-loaded with our group rates

Reservation Link:

Reservations by Phone: ACA registrants may contact the Marriott reservations line to book rooms. To ensure you are receiving the negotiated group rates, you must reference our full conference name.

Marriott Reservations:   888-855-5701
Please reference:          ACOS Annual Clinical Assembly of Osteopathic Surgeons

Warning: The reservation methods listed on or communicated directly by the ACOS are the officially authorized methods of booking your room at the host hotel for the 2018 Annual Clinical Assembly of Osteopathic Surgeons. Please beware of fraudulent organizations offering rooms at a significant discount.  Attendees may be lured by highly attractive rates but could fall prey to imposters causing a loss of deposits, be charged hidden fees, or bait and switched to hotel rooms they never booked. Do not give them your credit card information. These companies are in no way affiliated with the Annual Clinical Assembly of Osteopathic Surgeons, the ACOS, the AOCPr.

Travel Discounts 

ACOS has negotiated multiple travel discounts exclusively for the 2018 Annual Clinical Assembly. We are pleased to offer these deals to all registered attendees. We encourage all attendees to take advantage of the below special benefits. 

United Airlines

Save up to 10% on your flights to Atlanta, Georgia for the 2018 ACA on United Airlines. To book your flights:

  • Visit or call 800-426-1122
  • Provide the following codes when booking:
    • Z Code: ZFQK
    • Agreement Code: 321629

Delta Airlines

Delta Airlines is offering special discounts for 2018 Annual Clinical Assembly of Osteopathic Surgeons (ACA) registrants.

  • Book online: Please click here to book your flights!
  • Book via phone:
    •  You may also call Delta Meeting Network®
      • 800-328-1111

      Monday–Friday, 7:00 AM – 7:30 PM (CT)
      Reference the ACA Meeting Event Code: NY2EX
      *Please note there is no service fee for reservations booked and ticketed via the reservation 800 number.


Discounted car rental rates of up to 30% off are available through Avis Rent a Car for attendees of the 2018 ACA. Avis Worldwide Discount code (AWD number): D594051. The AWD will be effective from seven days prior to the event until seven days after the event.

Online reservations at discounted rates can be made by booking via the link provided below. When this link is used, your AWD number will automatically be placed in the reservation detail. 

Avis Discount for the 2018 Annual Clinical Assembly of Osteopathic Surgeons-10/18

For phone reservations  Use the 2018 Annual Clinical Assembly's Avis Worldwide Discount (AWD) number: D594051 when you call 1-800-525-7537.


Discounted car rental rates are available through Hertz Rent a Car for attendees of the 2018 ACA. To reserve special meeting rates, please include the special 2018 ACA Convention Number (CV#): 022Q8993 when making reservations.

Book online by visiting:  and entering the 2018 ACA Convention Number (CV#): 022Q8993 

For phone reservations: Call toll free 1-800-654-2240 or 1-405-749-4434 and provide the 2018 ACA Convention Number (CV#): 022Q8993. At the time of reservation, meeting rates will be automatically compared to other Hertz rates and the best rate will apply.