Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory A Gerlock, MD

Individual provider Emergency Medicine Physician · NPI 1114987740

Dr. Gregory A Gerlock, MD is an Emergency Medicine in Bristol, Tennessee. Graduated from Medical College of Georgia School of Medicine in 1989, 37 years ago. Practices with Tri-Cities Regional Emergency Physicians, PC, a 118-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
37
Trained at
Medical College of Georgia School of Medicine
Licensed in
TN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Medical Park Blvd
Bristol, TN 37620-7430
Phone: (423) 844-2100
Fax: (423) 844-2120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20852 (TN)

Record details

NPI number1114987740
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESJuly 7, 2021
Certification dateJuly 7, 2021
Mailing addressPo Box 11724, Knoxville, TN 37939-1724

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Tri-Cities Regional Emergency Physicians, Pc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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