John Nicholson Leavitt, PHD
Clinical Neuropsychologist · Shreveport, LA
John Nicholson Leavitt, PHD is a clinical neuropsychologist with a practice address in Shreveport, Louisiana, and NPI 1174534259, issued on Aug 11, 2006. Check the license with the Louisiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Nicholson Leavitt
- Credential
- PHD
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- Practice location
- 510 E Stoner Ave, Shreveport, LA 71101
- Phone
- (318) 424-6119
- Enumerated
- Aug 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 36 in Louisiana → Look up another NPI →
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Verify John Nicholson Leavitt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Nicholson Leavitt among 36 clinical neuropsychologist records in Louisiana
John Nicholson Leavitt, PHD is one of 36 clinical neuropsychologist records with a practice address in Louisiana. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 75% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in Louisiana
There are 36 clinical neuropsychologist records in Louisiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36 in Louisiana → Every provider in Shreveport → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Ronald Goebel, PH.D.Shreveport, LA 711051386612042
- Thomas Staats, PHDShreveport, LA 711051760536510
- Tiffany Jennings, PSYDShreveport, LA 711061912145640
- Roquel Williams, PHD, MDShreveport, LA 711061073826186
- Michelle Blose, PSYDPineville, LA 713601750995114
- Patricia Joyce, PH.D.Pineville, LA 713601184783052
- Bern LeeBaton Rouge, LA 708361215580006
- Lawrence Klusman, PH.D.Baton Rouge, LA 708101437152592
Common questions
What is John Nicholson Leavitt, PHD's NPI number?
John Nicholson Leavitt, PHD's National Provider Identifier (NPI) is 1174534259, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Nicholson Leavitt, PHD located?
The NPPES record lists a practice address at 510 E Stoner Ave, Shreveport, LA, 71101. Phone: (318) 424-6119. Providers update this record themselves, so call before visiting.
How can I verify John Nicholson Leavitt, PHD's license?
Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.