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

Dr. Samuel Andrew Johnson, MD

Individual provider Nephrology Physician · NPI 1225255128

Dr. Samuel Andrew Johnson, MD is a Nephrology in Marietta, Georgia. Graduated from Temple University School of Medicine in 2002, 24 years ago. Practices with Preferred Vascular Services Southwest, a 12-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
24
Trained at
Temple University School of Medicine
Licensed in
GA
In the registry since
2007
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

55 Whitcher St NE Ste 460
Marietta, GA 30060-1155
Phone: (770) 427-7389
Fax: (770) 427-1492
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 54909 (GA)

Record details

NPI number1225255128
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESAugust 1, 2019
Mailing address55 Whitcher Street, Suite 460, Marietta, GA 30060-1155

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Preferred Vascular Services Southwest — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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