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

Cnos PC

Organization Rheumatology Physician · NPI 1881604320

Cnos PC is a Rheumatology Physician in Dakota Dunes, South Dakota. Licensed in South Dakota. Registered with an NPI since 2006.

Licensed in
SD
In the registry since
2006
Specialties on file
7
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

575 N Sioux Point Rd
Dakota Dunes, SD 57049-5312
Phone: (605) 217-2667
Fax: (605) 217-2900
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 0369 (SD)
Rheumatology Physician Taxonomy 207RR0500X · Licence 0369 (SD)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 0369 (SD)
Plastic Surgery Physician Taxonomy 208200000X · Licence 0369 (SD)
Neurology Physician Taxonomy 2084N0400X · Licence 0369 (SD)
Podiatrist Taxonomy 213E00000X · Licence 0369 (SD)
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X · Licence 0369 (SD)

Record details

NPI number1881604320
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ryan Meis — Owner/Board Of Director · (605) 217-2667
NPI enumeratedAugust 8, 2006
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026
Mailing addressPo Box 1430, Dakota Dunes, SD 57049-1430