Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Louis Masur III, PHD
Psychologist in Tupelo, MS · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528163086
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Registry record
Entity type Individual (Type 1)
Name Louis Masur III
Credential PHD
Sex Male
Practice address 2434 S Eason Blvd, Tupelo, MS, 38804
Phone (662) 504-4382
Fax (662) 680-6416
Enumeration date Sep 13, 2006
Last updated in NPPES Jan 30, 2017
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 07252854 | Medicaid | MS | - |
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 specialty is Louis Masur?
Louis Masur is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Ross Collins Child & Adolescent Psychiatry Physician · Tupelo, MS NPI 1508893074 Northeast Mental Health/Mental Retardation Commission Mental Health Clinic/Center (Including Community Mental Health Center) · Tupelo, MS NPI 1801828496 Amy Neighbors Social Worker · Tupelo, MS NPI 1306853932 Debra Ward Mental Health Counselor · Tupelo, MS NPI 1255435723 Michelle Birmingham Mental Health Counselor · Tupelo, MS NPI 1972607588 Rhonda Terrell Social Worker · Tupelo, MS NPI 1548364144 Jessica Long Mental Health Counselor · Tupelo, MS NPI 1295839801 Shirley Bowers Mental Health Counselor · Tupelo, MS NPI 1306940895
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-30.