Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Barbara J. Walker, RNNP
Nurse Practitioner in Gardner, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154310969
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Registry record
Entity type Individual (Type 1)
Name Barbara J. Walker
Credential RNNP
Sex Female
Practice address 250 Green St, Gardner, MA, 01440
Phone (978) 632-6445
Fax (978) 630-3603
Enumeration date Oct 14, 2005
Last updated in NPPES Oct 30, 2013
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 128397 (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
Where does Barbara Walker practice?
The practice location on file with NPPES is in Gardner, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Barbara Walker?
The National Provider Identifier (NPI) for Barbara Walker is 1154310969, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Francis Garofalo Urology Physician · Gardner, MA NPI 1821095365 Ayaz Malik Gastroenterology Physician · Gardner, MA NPI 1154320984 A. Tariq Malik, MD, Inc. Gastroenterology Physician · Gardner, MA NPI 1477552750 Kristin Schofield Family Medicine Physician · Gardner, MA NPI 1760479315 Michael Azzoni Orthopaedic Surgery Physician · Gardner, MA NPI 1689661035 Jeffrey Blake Obstetrics & Gynecology Physician · Gardner, MA NPI 1992792980 Andrea Damour Obstetrics & Gynecology Physician · Gardner, MA NPI 1740277730 Christine Mcmahon Family Nurse Practitioner · Gardner, MA NPI 1649268277
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-30.