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Physician Profile

Helen C. Su, MD

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At a glance

About Dr. Su

Helen C. Su, MD is a healthcare provider in Bethesda, MD specializing in allergy & immunology. Helen is also listed as specializing in pediatrics. This provider record is associated with NPI 1780470138.

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

Specialty

Pediatrics (Additional)

Credentials & Licensing

MD licenceAs reported to the NPI registry
No. D0057510As reported
NPINational Provider Identifier
1780470138Issued 2025

As reported to the NPI registry ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

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 is Dr. Su's specialty?

Dr. Su is an allergist in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.

NPI registry

Where can I find Dr. Su?

Dr. Su is listed at Op11, Clinical Center 10Crc Center Dr Msc 1456, Bethesda, MD 20892. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Su?

The number on file is (301) 496-4000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Su's NPI number?

Dr. Su's National Provider Identifier is 1780470138. 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

How long has Dr. Su been practicing?

Dr. Su has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Su confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Su. 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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