NPI Registry
Learn about Stedi

Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.

Update your record
Organization

CNOS PC

Active
Find providers by NPI
Organization

CNOS PC

Active
Organization subpart
No

Provider details

NPI number
Authorized official
RYAN C MEIS MD (OWNER/BOARD OF DIRECTOR)
(605) 217-2667
Entity
Organization

Contact information

Practice address
575 N SIOUX POINT RD, DAKOTA DUNES, SD 57049-5312
(605) 217-2667
(605) 217-2900
Mailing address
PO BOX 1430, DAKOTA DUNES, SD 57049-1430
(605) 217-2667
(605) 217-2900

Taxonomy

Speciality
Code
Description
License number
State
207RR0500X
Rheumatology Physician
0369
SD
207T00000X
Neurological Surgery Physician
0369
SD
207X00000X
Orthopaedic Surgery Physician
Primary
0369
SD
208200000X
Plastic Surgery Physician
0369
SD
2084N0400X
Neurology Physician
0369
SD
213E00000X
Podiatrist
0369
SD
332B00000X
Durable Medical Equipment & Medical Supplies
0369
SD

Other

Other identifiers
Code
Description
Identifier
Issuer
State
05
0181842
IA
Enumeration date
08/08/2006
Last updated
01/14/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up
Product
  • Claims
  • Eligibility checks
  • EDI platform