Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Joann Tierney, CFNP
Nurse Practitioner in N Adams, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770770372
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Registry record
Entity type Individual (Type 1)
Name Ms. Joann Tierney
Credential CFNP
Sex Female
Practice address 375 Church St, Mcla Health Services, N Adams, MA, 01247
Phone (413) 662-5421
Fax (413) 662-5572
Enumeration date Sep 27, 2007
Last updated in NPPES Sep 27, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 195591 (MA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Joann Tierney?
The National Provider Identifier (NPI) for Joann Tierney is 1770770372, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joann Tierney practice?
The practice location on file with NPPES is in N Adams, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Hailey Katcher Athletic Trainer · North Adams, MA NPI 1316345267 Matthew Boillat Athletic Trainer · North Adams, MA NPI 1972901726 Connor Sampson Student in an Organized Health Care Education/Training Program · North Adams, MA NPI 1366091969 Jennifer Mailhiot Athletic Trainer · North Adams, MA NPI 1225774623 Elizabeth Oakes Athletic Trainer · North Adams, MA NPI 1114883410
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-27.