Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Christopher R Brown, O.D.
Optometrist in Billerica, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1932167939
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Registry record
Entity type Individual (Type 1)
Name Dr. Christopher R Brown
Credential O.D.
Sex Male
Practice address 700 Boston Rd, Billerica, MA, 01821
Phone (978) 667-0481
Fax (978) 670-7778
Enumeration date May 2, 2006
Last updated in NPPES Jan 17, 2018
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0704059 | Medicaid | MA | - |
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 Christopher Brown practice?
The practice location on file with NPPES is in Billerica, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Brown?
The National Provider Identifier (NPI) for Christopher Brown is 1932167939, 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 2018-01-17.