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

Dr. Mark McElhannon, MD

Individual provider Family Medicine Physician · NPI 1083675086

Dr. Mark McElhannon, MD is a Hospitalist in Morrow, Georgia. Graduated from Medical College of Georgia School of Medicine in 1993, 33 years ago. Practices with South Texas Physician Services, PLLC, a 57-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
33
Trained at
Medical College of Georgia School of Medicine
Licensed in
TX
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

1000 Corporate Center Dr Ste 200
Morrow, GA 30260-4180
Phone: (770) 968-6464
Fax: (770) 968-6455
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence M2709 (TX)

Record details

NPI number1083675086
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2006
Last updated in NPPESApril 7, 2008
Mailing address303 Parkway Dr Ne, Suite 418, Atlanta, GA 30312-1212

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice South Texas Physician Services, Pllc — 57 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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