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

Dr. Jeffrey Layne Cox, MD

Individual provider Family Medicine Physician · NPI 1124290549

Dr. Jeffrey Layne Cox, MD is a Family Practice in Powder Springs, Georgia. Graduated from East Tennessee State University Quillen College of Medicine in 2007, 19 years ago. Practices with Wellstar Medical Group LLC, a 3,072-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
19
Trained at
East Tennessee State University Quillen College of Medicine
Licensed in
GA
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4250 Brownsville Rd
Powder Springs, GA 30127
Phone: (678) 567-8000
Fax: (770) 439-3555
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2525 Dallas Highway, Marietta, GA 30064 — (404) 365-0966
  • 2525 Dallas Highway, Marietta, GA 30064 — (404) 365-0966

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 68396 (GA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 68396 (GA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1124290549
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2008
Last updated in NPPESOctober 22, 2019
Mailing address805 Sandy Plains Road, Medical Staff Services, Marietta, GA 30066-6340

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesINTERNAL MEDICINE
Medical schoolEAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Wellstar Medical Group Llc — 3072 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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