WILLIAM L BLACK (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1780655860

WILLIAM L BLACK (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in Endocrinology, Diabetes & Metabolism Physician. They hold the professional credentials M.D.. They hold a License No. 44271 (MA). The NPI Number for WILLIAM L BLACK (M.D.) is 1780655860

Main info

Male
Name
WILLIAM L BLACK (M.D.)
NPI
1780655860
Phone
(617) 559-8374
Address
147 MILK ST
Enumeration Date
27 January 2006
Last Update Date
11 September 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness85
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for WILLIAM L BLACK (M.D.)

  • Harvard Vanguard, 147, Milk Street, Dock Square, Financial District, Boston, Suffolk County, Massachusetts, 02110, United States

    PROVIDER ENROLLMENT - 9TH FLOOR

    BOSTON, MA 021094806

    Phone: (617) 559-8374

    Fax: (617) 421-3487

    Type: Mailing

  • Ivy Realty Group, 40, Holland Street, Davis Square, Somerville, Middlesex County, Massachusetts, 02144, United States

    INTERNAL MEDICINE

    SOMERVILLE, MA 021442705

    Phone: (617) 629-6000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02109)

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Reviews

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Frequently asked questions

What is the standard ID for WILLIAM L BLACK (M.D.) in the U.S.?
In the U.S., WILLIAM L BLACK (M.D.) is identified by NPI 1780655860.
Does the public listing show WILLIAM L BLACK (M.D.) as active?
WILLIAM L BLACK (M.D.)'s NPI record reflects an active status in NPPES.
How should patients interpret WILLIAM L BLACK (M.D.)'s specialty?
The extract shows Endocrinology, Diabetes & Metabolism Physician for WILLIAM L BLACK (M.D.). Clinical services aligned with this taxonomy classification.
What geographic area is tied to WILLIAM L BLACK (M.D.)?
WILLIAM L BLACK (M.D.) is associated with Boston, Massachusetts in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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