Individual provider · Type 1 NPI

Nathan S. Johnston

Psychiatry Physician · San Antonio, TX

NPI number 1619232113 Active

Practice location

23119 W Interstate 10 Bldg 7
San Antonio, TX 78257-1767

Fax (210) 994-6441

Specialties and licenses

Taxonomy	Code	License
Psychiatry Physician Primary	2084P0800X	Q6755 (TX)
Psychiatry Physician	2084P0800X	OP61563295 (WA)

Psychiatry Physician: A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic la…

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About NPI 1619232113

Nathan S. Johnston's National Provider Identifier is 1619232113, issued on Jul 10, 2012. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in San Antonio, TX. The record was last updated on Feb 3, 2026.