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Provider Profile

Guang Ren, PhD, RD, LD

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At a glance

About Dr. Ren

Guang Ren, PhD, RD, LD is a registered dietitian / nutritionist based in Birmingham, AL. The provider's National Provider Identifier (NPI) is 1902729007.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

AL licenceAs reported to the NPI registry
No. 86450751As reported
NPINational Provider Identifier
1902729007Issued 2026

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
Medicare opt-outNo

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Ren specialize in?

Dr. Ren is a registered dietitian / nutritionist in Birmingham, AL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Ren located?

Dr. Ren is listed at 2000 6Th Ave S, Birmingham, AL 35233. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Ren's phone number?

The number on file is (205) 801-7464. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Ren?

Dr. Ren's National Provider Identifier is 1902729007. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Is Dr. Ren's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ren. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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