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Provider Profile

Mallory R. Holzer, PA

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At a glance

About Mallory Holzer

Listed in the NPI registry as a physician assistant, Mallory R. Holzer, PA practices in Chesterfield, MO. Mallory graduated from Saint Louis University School of Medicine in 2025. NPI 1265399653 identifies this record in the national registry.

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

Specialty

Credentials & Licensing

MO licenceAs reported to the NPI registry
No. 2026005852As reported
NPINational Provider Identifier
1265399653Issued 2026

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
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 Mallory R. Holzer specialize in?

Mallory R. Holzer is a physician assistant in Chesterfield, MO. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Mallory R. Holzer located?

Mallory R. Holzer is listed at 14532 S Outer 40 Rd Dept Orthopaedic Surgery, Ste 200, Chesterfield, MO 63017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mallory R. Holzer's phone number?

The number on file is (314) 514-3500. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mallory R. Holzer?

Mallory R. Holzer's National Provider Identifier is 1265399653. 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

Where did Mallory R. Holzer train?

Mallory R. Holzer attended Saint Louis University School of Medicine, graduating in 2025. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Mallory R. Holzer have?

Mallory R. Holzer has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.

CMS public data

Is Mallory R. Holzer's profile verified?

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

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