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

Jon David Tierney, RN

Individual provider Registered Nurse · NPI 1225979941

Jon David Tierney, RN is a Registered Nurse in Bar Harbor, Maine. Licensed in Maine. Registered with an NPI since 2026.

Licensed in
ME
In the registry since
2026
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

228 Main St
Bar Harbor, ME 04609-1739
Phone: (207) 461-4338
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence RN79125 (ME)

Record details

NPI number1225979941
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedApril 6, 2026
Last updated in NPPESApril 6, 2026
Certification dateApril 5, 2026
Mailing address228 Main St, Bar Harbor, ME 04609-1739

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