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

William Jay Portner, MD

Individual provider Diagnostic Radiology Physician · NPI 1861489130

William Jay Portner, MD is a Diagnostic Radiology Physician in Norway, Maine. Licensed in Maine. Registered with an NPI since 2005.

Licensed in
ME
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

181 Main St
Norway, ME 04268-5648
Phone: (207) 743-5933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 013618 (ME)

Record details

NPI number1861489130
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2005
Last updated in NPPESJuly 16, 2007

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