Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark F Delorenzo, DC
Chiropractor in N Andover, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154404465
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark F Delorenzo
Credential DC
Sex Male
Practice address 565 Turnpike St, Suite 72, N Andover, MA, 01845
Phone (978) 688-5256
Fax (978) 688-5426
Enumeration date Oct 23, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| Y39093 | Other | - | BCBS |
| 710194 | Other | - | TUFTS |
| 35193 | Other | - | HARVARD PILGRIM |
| Y35338 | Other | - | BCBS |
| 403592 | Other | - | MEDIGAP |
| 511 | Other | - | CHIRO LICENSE |
| 17973 | Other | - | CIGNA |
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 Mark Delorenzo practice?
The practice location on file with NPPES is in N Andover, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Delorenzo?
The National Provider Identifier (NPI) for Mark Delorenzo is 1154404465, 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.