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

Individual provider Internal Medicine Physician · NPI 1730148859

William C Ervin, MD is an Internal Medicine Physician in Portland, 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

84 Marginal Way Ste 700
Portland, ME 04101-2443 Not confirmed with CMS for 15 years — call before visiting
Phone: (207) 774-5816
Fax: (207) 523-8597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 009853 (ME)

Record details

NPI number1730148859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2006
Last updated in NPPESNovember 17, 2010

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