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

Meridian Mental Health, LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1871267435

Meridian Mental Health, LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Yankton, South Dakota. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

327 Broadway Ave Ste 15
Yankton, SD 57078-7800
Phone: (605) 661-6128
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X

Record details

NPI number1871267435
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joel Merkwan — Clinical Psychologist/Owner · (605) 661-6128
NPI enumeratedAugust 5, 2021
Last updated in NPPESAugust 5, 2021
Certification dateAugust 5, 2021
Mailing address327 Broadway Ave Ste 15, Yankton, SD 57078-7800

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