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Provider Profile

John Marshall

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At a glance

About John Marshall

Based in Houston, TX, John Marshall is listed in the NPI registry under internal medicine. NPI 1811359581 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

TX licenceAs reported to the NPI registry
No. S0504As reported
NPINational Provider Identifier
1811359581Issued 2016

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 John Marshall's specialty?

John Marshall is an internist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find John Marshall?

John Marshall is listed at 6411 Fannin St, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact John Marshall?

The number on file is (713) 500-7116. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for John Marshall?

John Marshall's National Provider Identifier is 1811359581. 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 much experience does John Marshall have?

John Marshall has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is John Marshall's profile verified?

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

Guide.md

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