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Provider Profile

Ryanne J. Lewis

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At a glance

About Ryanne Lewis

Based in Saginaw, MI, Ryanne J. Lewis is listed in the NPI registry under internal medicine. NPI 1447194451 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

MI licenceAs reported to the NPI registry
No. 4351056149As reported
NPINational Provider Identifier
1447194451Issued 2026

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 does Ryanne J. Lewis specialize in?

Ryanne J. Lewis is an internist in Saginaw, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Ryanne J. Lewis located?

Ryanne J. Lewis is listed at 1000 Houghton Ave, Saginaw, MI 48602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Ryanne J. Lewis's phone number?

The number on file is (989) 746-7500. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Ryanne J. Lewis?

Ryanne J. Lewis's National Provider Identifier is 1447194451. 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 Ryanne J. Lewis's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Ryanne J. Lewis. 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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