Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Guang Ren, PHD, RD, LD

Individual provider Registered Dietitian · NPI 1902729007

Dr. Guang Ren, PHD, RD, LD is a Registered Dietitian in Birmingham, Alabama. Practices as a sole proprietor. Licensed in Alabama.

Licensed in
AL
In the registry since
2026
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
RD — Registered Dietitian
A credentialed nutrition professional.
LD — Licensed Dietitian
A dietitian licensed by a state board.

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Practice location Address checks out

2000 6th Ave S
Birmingham, AL 35233-2110
Phone: (205) 801-7464
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86450751 (AL)

Record details

NPI number1902729007
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , RD , LD
Sole proprietorYes
NPI enumeratedAugust 4, 2026
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026

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