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

Aaron Baker, PHD

Individual provider Mental Health Counselor · NPI 1104214154

Aaron Baker, PHD is a Clinical Psychologist in Sioux City, Iowa. Qualified in 2020, 6 years ago. Practices with Baker Psychology, PLC, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
6
Licensed in
IA
In the registry since
2014
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

1106 4th St Ste 205
Sioux City, IA 51101-1958
Phone: (712) 252-1473
Show map & directions

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

Additional practice locations (1)

  • 1551 Indian Hills Dr Ste 221, Sioux City, IA 51104-1857 — (712) 252-1473

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 101471 (IA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 076371 (IA)

Record details

NPI number1104214154
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 29, 2014
Last updated in NPPESMay 18, 2021
Certification dateMay 18, 2021
Mailing address1106 4th St Ste 205, Sioux City, IA 51101-1958

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Baker Psychology, Plc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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