Provider Profile
Listed in the NPI registry as a mental health counselor, Curtis Mastbergen practices in South Sioux City, NE. Curtis is also listed as specializing in addiction & substance abuse counselor.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
1201 ARBOR DR
South Sioux City, NE 68776
525 Lakeshore Drive
North Sioux City, SD 57049
Curtis Mastbergen is a mental health counselor in South Sioux City, NE. That is the designation recorded for this NPI in the federal registry.
NPI registry
Curtis Mastbergen is listed at 1201 Arbor Dr, South Sioux City, NE 68776. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (402) 494-3337. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Curtis Mastbergen's National Provider Identifier is 1073496782. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Curtis Mastbergen has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Curtis Mastbergen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.