Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William R Horner, MD

Individual provider Specialist · NPI 1942266416

William R Horner, MD is a Specialist in Bangor, Maine. Licensed in Maine. Registered with an NPI since 2006.

Licensed in
ME
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

417 State St Ste 330
Bangor, ME 04401-6630
Phone: (207) 947-5241
Fax: (207) 973-8880
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 006926 (ME)

Record details

NPI number1942266416
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2006
Last updated in NPPESJuly 13, 2026
Mailing address417 State St, Suite 330, Bangor, ME 04401-6630

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