Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Phillip Mark Barlow, OD
Optometrist in Phoenix, AZ · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174304547
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Registry record
Entity type Individual (Type 1)
Name Dr. Phillip Mark Barlow
Credential OD
Sex Male
Practice address 2140 E Baseline Rd, Phoenix, AZ, 85042
Phone (602) 337-1391
Enumeration date Oct 11, 2023
Last updated in NPPES Apr 10, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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
Is NPI 1174304547 active?
Yes, as of the latest NPPES snapshot, NPI 1174304547 is active (record last updated 2026-04-10).
How do I verify Phillip Barlow's NPI record?
Cross-check NPI 1174304547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-10.