Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Johanna Elise Shriver Halligan, MT-BC
Counselor in Acton, MA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154987303
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Registry record
Entity type Individual (Type 1)
Name Johanna Elise Shriver Halligan
Credential MT-BC
Sex Female
Practice address 289 Great Rd, Acton, MA, 01720
Phone (978) 679-1200
Fax (978) 486-4037
Enumeration date May 14, 2019
Last updated in NPPES May 14, 2019
Taxonomy & licenses
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 Johanna Shriver Halligan practice?
The practice location on file with NPPES is in Acton, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Johanna Shriver Halligan?
The National Provider Identifier (NPI) for Johanna Shriver Halligan is 1154987303, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Steven Michelson Psychologist · Acton, MA NPI 1235237363 Mary Cancellieri Psychiatric/Mental Health Clinical Nurse Specialist · Acton, MA NPI 1962621433 Christopher Parmanand Psychiatric/Mental Health Nurse Practitioner · Acton, MA NPI 1629578885 Anjali Lappin Mental Health Counselor · Acton, MA NPI 1972158830 Camille Powell Neurology Physical Therapist · Acton, MA NPI 1174157416 Cara Weber Mental Health Counselor · Acton, MA NPI 1871191247 Janet Read Mental Health Counselor · Acton, MA NPI 1265106983 Kristie Hadley Psychiatric/Mental Health Nurse Practitioner · Acton, MA NPI 1154095826
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-14.