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

Dr. Nathan S. Johnston

Individual provider Psychiatry Physician · NPI 1619232113

Dr. Nathan S. Johnston is a Psychiatry in San Antonio, Texas. Qualified in 2012, 14 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Texas and Washington.

Years since qualifying
14
Licensed in
TX, WA
In the registry since
2012
Specialties on file
2
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Practice location Address checks out

23119 W Interstate 10 Bldg 7
San Antonio, TX 78257-1767
Phone: (210) 994-6336
Fax: (210) 994-6441
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence Q6755 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence OP61563295 (WA)

Record details

NPI number1619232113
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 10, 2012
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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