Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gregory Jason Christie, PA-C
Physician Assistant in Andover, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255323135
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Registry record
Entity type Individual (Type 1)
Name Gregory Jason Christie
Credential PA-C
Sex Male
Practice address 140 Haverhill St, Suite 1, Andover, MA, 01810
Phone (978) 470-0707
Fax (978) 470-8973
Enumeration date Aug 17, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 305 (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 Gregory Christie practice?
The practice location on file with NPPES is in Andover, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory Christie?
The National Provider Identifier (NPI) for Gregory Christie is 1255323135, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.