Dr. Mark Grenkoski MD

  • Emergency Medicine Harriman, TN

Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Mark Grenkoski xhas an overall rating of 4.2.

Specialties & Expertise

Dr. Mark Grenkoski has the following 3 areas of expertise, 1 specialty and 1 board certification.

Emergency Medicine

An emergency physician is a doctor who is an expert in handling conditions of an urgent and extremely dangerous nature. These specialists work in the emergency room (ER) departments of hospitals where they oversee cases involving cardiac distress, trauma, fractures, lacerations and other acute conditions.
Emergency physicians are specially trained to make urgent life-saving decisions to treat patients during an emergency medical crisis. These doctors diagnose and stabilize patients before they are either well enough to be discharged, or transferred to the appropriate department for long-term care.


See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.

Board Certification

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions

Clay Eugene Stalcup MD

2305 N Gateway Ave
Harriman, TN 37748

Mark Edwin Grenkoski MD

8078 Kingston Pike
Knoxville, TN 37919

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