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

William Howarth, RN

Individual provider Addiction (Substance Use Disorder) Registered Nurse · NPI 1093156853

William Howarth, RN is an Addiction (Substance Use Disorder) Registered Nurse in Falmouth, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2013.

Licensed in
MA
In the registry since
2013
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

200 Ter Heun Dr
Falmouth, MA 02540-2525
Phone: (508) 563-2262
Fax: (508) 563-2660
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Registered Nurse (primary) Taxonomy 163WA0400X · Licence 136426 (MA)

Record details

NPI number1093156853
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedJuly 9, 2013
Last updated in NPPESJuly 9, 2013
Mailing address200 Ter Heun Dr, Falmouth, MA 02540-2525

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