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CHR is the company you call for quality, personalized, and cost-effective corporate health examination and service needs. 
CHR is here, there, everywhere...

"The Industry Leader in Occupational Health Since 1986!"

White Glove Service is Our Standard of Care

ACOEM President's Award to Karen Cohen

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CHR has earned the respect of Fortune 1000 companies with expertise you can trust.

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Our Information


(800) 867-0933


1375 Piccard Drive

Suite 275

Rockville, MD 20850

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Training Courses

AAOHN: Respiratory Protection Education Program for Healthcare Workers - Available at No Charge.

Online Learning



Commercial Driver Medical Examiner Online Training via ACOEM




Spirometry, Spirometry Refresher, Respirator Fit-Testing Training Courses


Online Courses:

Spirometry Refresher

Spirometry Training


More Information:

Dr. Mary Townsend




The DOT Examiner's Most Trusted Resource! For a full listing of our books visit OEM Press.

Medlock Consulting is a physician search firm dedicated to locating, evaluating, and facilitating the placement of quality physicians in superior environments. To us, this means never taking shortcuts and always maintaining professional and personal integrity.


Nyla Medlock

Medlock Consulting

Phone 806-744-5250

Cell 806-239-NYLA(6952)

"Defining the Future of Physicians Globally"

Email Nyla



Occupational Health Connections, Inc. (OHC) is a distinguished leader in occupational and employee health staffing and recruitment. For job opportunities, please visit: OHC website




Visit Relief EHS, LLC
Relief EHS is uniquely qualified to provide answers to your environmental health & safety (EHS) questions, make it easier for your business to comply with regulations, and help you achieve EHS goals while minimizing costs and potential liability.



PKB Consulting, LLC
Patricia K. Bertsche, PhD, FAAOHN - Occupational Health & Wellness Consultant, Leader in Global Occupational Health Program Development & Evaluation - Email Pat


CHR Newsletter—February 27, 2020

"I truly appreciate your reaching out and sharing all of the feedback that you get from our employees. Every time I received an email from you, it reminds me every day how lucky we are to have a partnership with CHR. You have an amazing team and you are fortunate to have them." -Vendor

CHR Provides Medical Surveillance Exams for a Dispersed Workforce

CHR provides medical surveillance exams for a dispersed workforce, including DOT physical exams, hearing conservation, respirator fit testing, and more.

3 Reasons to Go Beyond Safety Compliance to Total Worker Health

By paying proper attention to Total Worker Health, safety professionals will not fall into the old trap of "missing the forest for the trees" while addressing the well-being of their workforce.

Report Your Workplace Injuries to OSHA Before March 2

Reporting is required for any establishment with 250 or more workers and for establishments with 20 or more workers in certain OSHA-designated industries including construction, manufacturing, transportation, and healthcare.

A Guide to the FMCSA's Drug and Alcohol Rules

The FMCSA announced December 27, 2019, it would double the minimum annual percentage rate of random drug testing for CMV drivers. The minimum random drug testing rate of commercial driver's license (CDL) holders now is 50% for calendar year 2020.

Respirator Fit Test Requirements

Lack of fit testing was cited among the 2,826 respiratory protection violations OSHA issued in fiscal year 2019. Stumped, or not quite sure where to begin your respiratory protection program and fit testing? Contact us for useful resources.

Coronavirus, Public Health, and Infection Prevention

State epidemiologist and assistant commissioner with the New Jersey Department of Health discusses the current coronavirus outbreak and how infection prevention efforts can help curb its spread.

DOT Isn't Testing for CBD, But Use Caution

Employees in safety-sensitive transportation should exercise caution when considering the use of CBD products, the ODAPC warned in its notice. CBD products may be mislabeled and contain higher levels of THC than the label states.

Occupational Asthma--Risk and Prevention

If you work in a high-risk profession, your employer must advise you on occupational hazards, and provide proper training and protective equipment to ensure your health and safety around those hazards. 

Protect Workers' Hearing

Controlling excessive noise exposure should be an employer's first line of defense against work-related hearing loss. Two strategies are engineering and administrative controls.

Upcoming Conferences

Job Openings

Occupational Health Nurse

CHR is looking for a full-time nurse case manager (NCM) in the Metro DC area to provide case management services to our nationwide clients. This position is in CHR’s Rockville, MD Headquarters. View more information at

Occupational Health Nurse

CHR has a permanent part-time (three five-hour days/week) opening for an Occupational Health RN / Case Manager in Santa Rosa, CA. View more information at

Occupational Health Nurse

Corporate Health Resources (CHR) is seeking an Occupational Health Nurse to perform case management, arrange initial medical appointments for work-related illness/injury, and coordinate the medical surveillance program.

The job is full-time: two days/week in the Southern San Francisco area, 2 days/week in Sunnyvale, and 1 day/week in Redwood City. The company has signed a lease to consolidate all three locations in Southern San Francisco in 2020.

CEU and recertification reimbursements are available, along with an excellent benefits package. CHR is an Equal Opportunity Employer.

For more information, please contact

WBENC-Certified Women's Business Enterprise

Email Rhett Suhre for More Information.

CHR is Celebrating 33 Years!

CHR is a TRAC-Certified Vendor
Learn more about TRAC

Health and Safety Works, LLC

Health and Safety Works, LLC provides training, consulting, and research services in support of Occupational Health (OSHA), Transportation Health (FMCSA) and Health and Wellness. Read more about Health and Safety Works or email HSW Founder and CEO, Elaine M. Papp RN, MSN, CM, COHN-S FAAOHN.