Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Largen and Associates, Inc

Organization Clinical Neuropsychologist · NPI 1336133578

John Largen and Associates, Inc is a Clinical Neuropsychologist in Houston, Texas. Registered with an NPI since 2005.

In the registry since
2005
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1020 Holcombe Blvd Ste 1304
Houston, TX 77030-2210
Phone: (713) 799-2818
Fax: (713) 790-1454
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X

Record details

NPI number1336133578
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Largen — Owner · (713) 799-2818
NPI enumeratedSeptember 2, 2005
Last updated in NPPESAugust 28, 2007
Mailing address1020 Holcombe Blvd, Ste 1304, Houston, TX 77030-2210

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