Chiropractic Care & Testing Services

Come on in, we’re open and taking extra safety precautions! We conduct temperature checks, sanitize throughout the day, and have equipped each room with air purifiers. We want everyone to feel comfortable and safe.
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New Office Location

We are excited to announce our new office location that we will be relocating to in May of 2021! Please check back soon for more information about our launch...


What we can offer you

Our number one goal to have you healthy as quickly as possible.


DOT Physical Exams

N95 Mask Fit Test

DOT Drug Testing

CPR Training

Live Scan


Dr. Tanya Martinez Cova

DC, CME, QME, CEO of Crown Services

Dr. Martinez Cova has been a dedicated evaluator and treater for a decade now, serving thousands of patients. Her passion is in preventing injury before it occurs. However, some injuries cannot be prevented and Dr. Martinez provides high quality care with Chiropractic and rehabilitative therapies.

Dr. Martinez is certified by the State of California as a Qualified Medical Evaluator for the Division of Workers Compensation, and a Certified Medical Examiner with the Department of Transportation. She is also certified by the ICAC as an Industrial Injury Evaluator.

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Chiropractic Services

Here at Crown Services, it is our number one goal to have you healthy as quickly as possible. Our treatment plan focuses on the spine and the rest of the body to ensure they are working harmoniously. 

We develop a plan that will require light stretching, some exercise, chiropractic care, and soft tissue therapy.  No matter how you got hurt, we will find a comfortable way to safely help you.


DOT Physical Exams

A CDL physical exam is quick and easy. Call ahead for an appointment and receive your certificate the same day! What to bring to your Department of Transportation physical:

  • List of medications including strength & dosage, name of prescribing doctor, address & phone number
  • Prescription eye glasses
  • Medical records such as Exercise Tolerance Test Results or Sleep Test Results

Our physicians are certified by the FMCSA (Federal Motor Carrier Safety Administration) and are Nationally Registered Certified Medical Examiners.  

Get Certified. Save Lives.

Our comprehensive CPR training includes everything you need to become certified. The knowledge and skill acquired through our CPR training programs saves lives. Don’t wait any longer. Contact us today to learn how to get started!

Physical Exams

Employee Physicals

Physical exams give the employer important information about their applicant or current employee to confirm if they are capable of performing the required job duties. We recommend a physical exam not only be performed as part of your on boarding process, but also annually.

A workforce that is part of a physical exam program is more productive and reduces the chance of injury. In result, reduced workers’ comp costs by maintaining a healthy company.


Live Scan Fingerprinting

Crown Services is certified by the Department of Justice to provide live scan fingerprinting services. Our state of the art live scan fingerprinting system can digitally scan and capture your fingerprints, and then immediately transmit them electronically to the State Department of Justice.

You MUST have a Request for Live Scan Fingerprinting Services Form. This is provided to you by the requesting agency along with any instructions. You must as have a valid (non-expired) government-issued photo ID Card (e.g. DMV Driver’s License or ID, Passport, Military ID Card, Alien Registration Card/Green Card Photo ID Card). 

Life Saving Education

Emergency Training

We are an industry leader in CPR and First Aid Education operating as a training site for the American Heart Association. Crown Services serves the Los Angeles and Orange County areas.

We began educating students in 2010, working with both the American Red Cross and American Heart Association.  Our staff has a passion for educating people with life-saving skills.


Contact Us

Our experienced team is standing by and ready to help. Whether you are interested in our chiropractic or physical therapy services or our wide range of testing and certification services, the first step is to reach out and connect!



Jennalin Medina

Dr.Martinez!!!!! She’s a light and a blessing 🙏🏻💛. She goes above and beyond for her patients! Her office and team make it such a safe place , you can feel the welcome and peace as soon as you walk in. Thank you all for the amazing service, memories and laughter this past year in a half 🥰 If you want honest , genuine service look no further 😚🤌🏼. If you need certification for CPR/FIRST AID , LIFESCAN ETC. ONE STOP SHOP‼️

Lauryn Alvarez

Crown Services provided me with best customer experience. The staff is welcoming as soon as you walk through the door they are quick and attentive. Dr. Tanya Martinez Cova worked out all of my tight muscles leaving me feeling loose and well adjusted. Definitely recommend her services to anyone that asks.

Mirna leiva

I came and took CPR classes at 6055 E. Washington In the city of Commerce. Blanca was the best. She is very kind, Patient and Professional,also very strict and takes her class serious as well!!! Blanca also teach it in a way that you can understand. Another thing I loved about Blanca was that she has everything very organized and cleaned. I RECOMMEND INSTRUCTOR BLANCA FOR YOUR CPR CLASSES SHE WAS GREAT.

Tony V.

Just got my N95 respirator training and it was quick, easy to follow, and I got a free mask to boot!

Melinda Garcia

The instructor was really nice and she did a great job with the cpr class


Very friendly and easy going. Was very helpful on instructions and quick to correct any mistakes so we know exactly what to do in any situation. Will recommend to friends and family if they ever need cpr training.

Otis Bennett

Training was great and the instructor was professional and knowledgeable.

Julieta Monroy

Las personas que me atendieron fueron muy amables en especial agradezco a la señora que me explico todo muy bien sobre la mascarilla algo que no habían hecho anteriormente

Roxy Trigueros

Son súper amables las personas que me atendieron les recomiendo este lugar la experiencia que tuve para la terapia que me hizo la doctora fue maravillosa Gracias por tratar de esta manera a las personas que necesitamos de su ayuda