Occupational Medicine in Baltimore, MD

Satellite Offices in Easton, Hagerstown and Landover

Serving patients and clients in Maryland, Pennsylvania, West Virginia, Delaware, Virginia, and D.C.

Meet Dr. Parkerson

John Parkerson, MD MS, is a 1983 graduate of the University of Maryland School of Medicine in Baltimore. He completed an Internship in General Surgery, along with two years of residency training in Orthopaedic Surgery at the University of Maryland Hospital.

In 1989, he finished a two-year residency in General Preventive Medicine and earned a Master of Science degree from the Graduate School at the University of Maryland. In addition, Dr. Parkerson is Board Certified in Occupational Medicine since 1993.

About Us

John Parkerson, MD MS in Baltimore, Maryland, offers quality occupational medicine for his patients and clients. Dr. Parkerson is available to address your concerns, and he makes sure to handle all aspects of your case effectively.

Contact our doctor in Baltimore, Maryland, to receive more information about the occupational medicine he provides for you.

Quality Occupational Medicine in Baltimore, Maryland.


Dr. Parkerson is a Certified Independent Medical Examiner (C.I.M.E.) who is accredited through the American Board of Independent Medical Examiners. These additional credentials identify him as an expert in independent medical examination and drug testing. In addition, Dr. Parkerson is the former national Medical Director for Cambridge Integrated Services Group, a third-party administrator for workers' compensation claims. He was the Associate Director of the Johns Hopkins Center for Occupational and Environmental Health and the Medical Director for IWIF.


Dr. Parkerson established this solo practice to provide quality occupational medicine services for work-related injury and disease. The main offerings of this practice include independent medical examinations, case management, and drug test reviews. The doctor's practice is in a centrally located Baltimore office and many satellite locations. The geographic areas he serves include Maryland, Pennsylvania, West Virginia, Delaware, Virginia, and the District of Columbia.

- Independent Medical Exams & Drug Testing Review in Baltimore, Maryland -

Exams & Services

This is a solo private practice with a focus on independent medical examinations. We offer specialty testing, consultations, drug screen review, file review, and acute and chronic injury care.

Medical Exams in Baltimore, Maryland.

Medical Exams

Dr. Parkerson is a Certified Independent Medical Examiner and is qualified to prepare ratings by the AMA Guides Fourth, Fifth, and Sixth Editions. 

Drug Screening & Testing in Baltimore, Maryland.

Drug Screening Review

Dr. Parkerson offers drug testing reviews for Department of Transportation (DOT/CDL) exams and individualized testing.

Additional Occupational Medicine Services in Baltimore, Maryland.

Additional Services

Impairment Ratings

Return to Work

Future Treatment Needs

Causal Connection

And more!

Specialty testing includes spirometry, electrocardiogram, weight lifting, and strength assessment. We utilize the most current online version of the Work Loss Data Institute's ODG Guidelines for Treatment and Disability and ACOEM's MD Guidelines.

Recognized as Baltimore Magazine's Top Doc in 2009, 2011 & 2016

• Associate Faculty of Johns Hopkins Bloomberg School of Public Health

• Fellow, International Academy of Independent Medical Evaluators (formerly the American Academy of Disability Evaluating Physicians)

• American Board of Independent Medical Examiners

• Maryland Medi-Chi and Baltimore City Medical Society

• Fellow, American College of Occupational and Environmental Medicine

• Past President Maryland COEM

• Board of Directors, Kids' Chance of Maryland

• Former member, Medical Board, Maryland State Retirement Agency

The Baltimore office is a Donation Center for Cellphones for Soldiers.

We also support other charities:

  • St. Jude Children's Research Hospital
  • Women's Center West, Catonsville

Contact Us

If you have any questions, contact us using the following form. We'll be more than happy to provide additional information about our services.

Please be sure to include your name, email, phone, and the specific service in question. We'll respond as quickly as possible.

To schedule an appointment, please contact Ms. Angela Soares at our Baltimore Office by phone, email, or online by clicking on the button below.

All correspondence should be mailed to the Baltimore office.


(410) 366-1183

Western Maryland Address

(Athletic Physical Therapy)

Eastern Shore Address

(Athletic Physical Therapy)

Please Send All Records and Correspondence To The Baltimore Office

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