Physician Profile

William Stuart Mainker, M.D.

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About Dr. Mainker

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Specialty

Internal Medicine (Primary)

Credentials & Licensing

NJ license25MA02323400
NPI1922332238
NPI issued09/21/2009

Source: NPPES NPI Registry

Common questions

What kind of doctor is Dr. Mainker?

Dr. Mainker is an internist in Springfield, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.

NPI registry

What is Dr. Mainker's address?

Dr. Mainker is listed at 18 OAK RDG, Springfield, NJ 07081. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Mainker?

The number on file is (908) 277-3675. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Mainker's NPI number?

Dr. Mainker's National Provider Identifier is 1922332238. 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. Mainker been practicing?

Dr. Mainker has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Mainker confirmed this information?

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

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