Physician Profile

Unclaimed Profile

About SIWEK

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Areas of Expertise

Family Medicine (Primary)

Common questions

What does Dr. Siwek specialise in?

Dr. Siwek is a family doctor in Colmar Manor, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Family Medicine”.

NPI registry

Where is Dr. Siwek located?

Dr. Siwek is listed at 4151 BLADENSBURG RD, Colmar Manor, MD 20722. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Siwek's phone number?

The number on file is (202) 269-7172. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Siwek's NPI number?

Dr. Siwek's National Provider Identifier is 1821021346. 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. Siwek been practising?

Dr. Siwek has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.

NPI registry

Has Dr. Siwek confirmed this information?

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

Guide.md

Licensing & Certification

DC licenseMD11865
NPI1821021346
NPI issued07/08/2006

Source: NPPES NPI Registry

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other family doctors at this location 3

Same specialty, same street address — most likely the same department or group.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.