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

Mr. Mark Siebert, LCSW

Individual provider Clinical Social Worker · NPI 1124445291

Mr. Mark Siebert, LCSW is a Clinical Social Worker in Orem, Utah. Licensed in Utah. Registered with an NPI since 2014.

Licensed in
UT
In the registry since
2014
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1458 E 820 N
Orem, UT 84097
Phone: (801) 860-4780
Fax: (385) 375-6087
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 5958473-3501 (UT)

Record details

NPI number1124445291
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 26, 2014
Last updated in NPPESFebruary 21, 2023
Certification dateFebruary 21, 2023
Mailing address1458 E 820 N, Orem, UT 84097

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