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Provider Profile

Sylvia A. Marshall

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At a glance

About Sylvia Marshall

Listed in the NPI registry as an addiction & substance abuse counselor, Sylvia A. Marshall practices in Timonium, MD. NPI 1023932183 identifies this record in the national registry.

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

Credentials & Licensing

MD licenceAs reported to the NPI registry
No. ADT4198As reported
NPINational Provider Identifier
1023932183Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Sylvia A. Marshall?

Sylvia A. Marshall is an addiction & substance abuse counselor in Timonium, MD. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Sylvia A. Marshall's address?

Sylvia A. Marshall is listed at 1417 Tenbury Rd, Timonium, MD 21093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Sylvia A. Marshall?

The number on file is (202) 378-0367. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Sylvia A. Marshall?

Sylvia A. Marshall's National Provider Identifier is 1023932183. 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 Sylvia A. Marshall's profile verified?

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

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