Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Ann Marie Dempsey, P.A.
Physician Assistant in Boston, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245317684
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Registry record
Entity type Individual (Type 1)
Name Ms. Ann Marie Dempsey
Credential P.A.
Sex Female
Practice address 800 Washington St # 5589, Boston, MA, 02111
Phone (617) 636-5589
Fax (617) 636-9095
Enumeration date Nov 1, 2006
Last updated in NPPES May 5, 2023
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 985 (MA) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
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 Ann Dempsey?
The National Provider Identifier (NPI) for Ann Dempsey is 1245317684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Dempsey practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-05.