Welcome to OCCH Services, LLC
Your Trusted Partner in Occupational Health Services
OCCH Services, LLC is a committed provider of Occupational Health Services located in Merrill, Wisconsin. We are here to meet your needs for a variety of occupational health services, to support your employee base, whether that’s wellness screenings, drug & alcohol testing, blood draws, audio-grams, respiratory fit testing or even a background check. Our mission is to promote the health and safety of individuals and businesses in our community, ensuring that everyone has access to vital Occupational Health Services


OCCH SERVICES, LLC
IS NOW HIRING
We are currently seeking a dedicated and skilled Advanced Practice Nurse with DOT Certification for a contract Position . Please fill out the application and return. Thank you .
Our Services
Comprehensive Occupational Health Services tailored to meet your business needs.
Drug Testing
Promote a secure and drug-free work environment through our extensive drug testing services. We provide a range of testing options, including DOT and Non-DOT Drug and Alcohol Testing, as well as Instant, Oral Fluid, and Hair Follicle drug testing, ensuring accurate and confidential results are delivered quickly to address your specific requirements.
Health Screenings
Enhance the wellness and efficiency of your team with our tailored programs. Make a commitment to fostering a healthier, more efficient workforce today.
Hearing Testing
Audio-grams are essential for evaluating and tracking an individual's auditory health. At OCCH Services, We offer thorough audio-gram assessments to assist our clients in gaining a deeper insight into their hearing abilities and recognizing any possible challenges.
Blood Testing
Our extensive blood testing services extend beyond the standard panel, offering a thorough exploration of your body's essential functions. From evaluating your cholesterol levels to assessing your nutrient balance, these tests provide you with the valuable information necessary to make informed choices regarding your health. No physician's order required.


Breath Alcohol Testing
OCCH Services provides professional Breath Alcohol Testing services that adhere to DOT regulations.
Background Check Services
At OCCH Services, LLC, we recognize how crucial thorough background checks are in today’s rapidly changing environment. Whether you're an employer aiming to make a well-informed hiring choice or a person wanting to confirm another's background, our background check services are tailored to deliver the information you require.
Qualitative Respiratory Fit Testing
Our Qualitative Respiratory Fit Test offers a dependable method to verify that your personal protective equipment (PPE) forms a proper seal. With the use of a harmless test agent, we will evaluate if your respirator or mask fits tightly and securely, safeguarding you from harmful airborne particles. Rely on your safety with OCCH Services, LLC.
MOBILE BLOOD DRAW SERVICES
Mobile blood testing offers a convenient and efficient solution to have your blood tested without the need to travel to a lab. By simply scheduling an appointment, we can visit you to collect your blood sample, which will subsequently be sent to a laboratory for analysis. This service is ideal for individuals with busy lifestyles or those who find it challenging to commute to a testing facility.
Regularly monitoring your blood pressure is essential for maintaining your overall health, preventing serious medical conditions, and effectively managing any existing health issues. We invite you to take advantage of our complimentary blood pressure checks—available any day We are open. Just walk in, and we will be happy to assist you!
FREE Blood Pressure Checks


Monday-----Closed for Mobile Blood Draws & Hearing Tests
Tuesday-------------8:00 am -- 4:00 pm
Wednesday----------8:00 am -- 4:00 pm
Thursday-----------10:30 am -- 4:00 pm
Friday----------------8:00 am -- 3:00 pm
Open Hours

Jim and Sarah S
Tammy is a true professional, she was very detail oriented, she was very expeditious and valued our time. Thank you Tammy.
Client Reviews
Charlotte D.
I had lab work done and it was painless and results were posted next day. Was a good experience
Kim P.
The customer service was amazing. Walked in to a smiling face and a great personality. Kept everything quick and simple.
★★★★★
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Jamie S
Tammy was so easy to work with. Great first experience there!
Why Choose OCCH Services, LLC
Quality, Speed, and Affordable prices
Customer Service:
Our commitment to exceptional customer service sets us apart. We prioritize your needs and ensure a seamless experience, making your satisfaction our top priority. Trust us to provide the support you deserve.
Client-Centric Approach:
We prioritize client satisfaction, attention to detail, and respect in every interaction. When you choose OCCH Services, you are partnering with someone that values your well-being above all else.
Comprehensive Services:
OCCH Services, LLC offers a wide range of occupational health services, including drug testing, Breath Alcohol testing, Audio-grams, Qualitative Respiratory Fit Tests, and affordable blood testing services. Our comprehensive offerings cater to diverse client needs under one roof.
Affordability:
We understand the financial challenges individuals face, which is why we provide affordable testing services to assist clients without health insurance or those with high deductibles for Blood Testing. Your health and well-being should not be compromised due to financial constraints.
ADDRESS: N2193 County Road k merrill wi 54452
Phone: 715-539-6641
Fax: 715-201-3341
© 2025. All rights reserved.
Office Hours:
Mondays----------Closed for Mobile Blood draws and Hearing Tests
Tuesdays----------8:00 am – 4:00 pm
Wednesdays-------8:00 am – 4:00 pm
Thursdays--------10:30 am – 4:00 pm
Fridays-------------8:00 am – 3:00 pm
Saturday and Sunday by appointment only.
At OCCH Services,we believe in providing affordable and accessible services




Mobile Service Hours For Blood Draws & Audio-grams:
Mondays 7:00 am - 5:00 pm

