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

John Peters Lammers, PHD

Individual provider Clinical Psychologist · NPI 1861926495

John Peters Lammers, PHD is a Clinical Psychologist in San Antonio, Texas. Licensed in Wyoming. Registered with an NPI since 2017.

Licensed in
WY
In the registry since
2017
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3551 Roger Brooke Dr
San Antonio, TX 78234-4504
Phone: (210) 916-4141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 689 (WY)

Record details

NPI number1861926495
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 20, 2017
Last updated in NPPESJune 12, 2026
Certification dateJune 12, 2026

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