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Physician Profile

William L. Black, M.D.

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At a glance

About Dr. Black

William L. Black, M.D. practices endocrinology, diabetes & metabolism in Somerville, MA. William is also listed as specializing in internal medicine. The provider's National Provider Identifier (NPI) is 1780655860.

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

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. 44271As reported
NPINational Provider Identifier
1780655860Issued 2006

As reported to the NPI registry ↗

Common questions

What does William L. Black specialize in?

William L. Black is an endocrinologist in Somerville, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.

NPI registry

Where is William L. Black located?

William L. Black is listed at 40 Holland St Internal Medicine, Somerville, MA 02144. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is William L. Black's phone number?

The number on file is (617) 629-6000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William L. Black's NPI number?

William L. Black's National Provider Identifier is 1780655860. 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 William L. Black been practicing?

William L. Black 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 practiced for longer than this.

NPI registry

Has William L. Black confirmed this information?

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

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