2000 Hwy 95 South Suite 200
Bullhead City, AZ 86442
(928) 758-1175

Office Policies


Office Hours:

8-5 p.m. (Arizona Time)


Tri State Orthopedic Institute accepts most major insurance plans to include Medicare and Medicaid.

Please be sure to bring:

  • your insurance card
  • photo ID
  • copy of current medications (including over the counter and nutritional supplements)
  • any available X-rays to your appointment.


Dr. Robert Lock, II, maintains this Web site as a benefit for and service to our patients, as well as our community. While Dr. Robert Lock, II and its representatives strive to keep the information contained in this site current, no warranty or guarantee concerning accuracy of content is made. 

Some of the information contained in this site relates to medical topics and issues; however, no information in the site should be construed as medical advice. All questions regarding your health or possible health problems should be directed to your physician. Acting on information found on this site without consulting your physician is solely at the users risk. In addition, this site includes links to other Web sites; however, Dr. Lock nor his associates endorse the linked sites, and take no responsibility for the content or information contained in the linked sites.

All rights reserved. No part of this Web site may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the author.

Board Certified Arizona Orthopedic Surgeon
Sub-specialist in Adult Reconstructive Surgery

Meet Dr. Robert Lock

Be prepared for your appointment. Download the patient forms you'll need for your visit with us.

Patient Forms

arizona joint replacement

2000 Hwy 95 South
Suite 200
Bullhead City, AZ 86442

(928) 758-1175