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

John W Herdman, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1972688265

John W Herdman, PHD is an Addiction (Substance Use Disorder) Psychologist in Lincoln, Nebraska. Licensed in Nebraska. Registered with an NPI since 2006.

Licensed in
NE
In the registry since
2006
Specialties on file
2
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

1640 L St Ste C
Lincoln, NE 68508-2581
Phone: (402) 489-9792
Fax: (402) 489-9793
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 424 (NE)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 451 (NE)

Record details

NPI number1972688265
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESOctober 28, 2019

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