Provider Profile
No biography has been added yet. Is this you? Claim this profile to add one.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
502 E MONROE ST
Rapid City, SD 57701
Mason Merck is a medical trainee in Rapid City, SD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.
NPI registry
Mason Merck is listed at 502 E Monroe St, Rapid City, SD 57701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (605) 755-4060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mason Merck's National Provider Identifier is 1306699889. 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
Mason Merck has 2+ years experience. Registered with an NPI since 2024. 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 Mason Merck. 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.