Andrew John Ridder, M.D.
Neurology · Sioux Falls, SD
At a glance
1301 S Cliff Ave Ste 506, Sioux Falls, SD 57105
NPPES record updated Sep 20, 2018. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1301 S Cliff Ave Ste 506Sioux Falls, SD 57105
Additional reported practice locations
4260 Plymouth RdAnn Arbor, MI 481092700
Phone: 7347646831
Education & affiliations
- Medical / professional school
- Sanford School Of Medicine Of University Of South Dakota
- Graduation year
- 2012
- CMS specialties
- Neurology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Avera Mckennan Hospital & University Health Center Sioux Falls, SD
- Avera St Lukes Aberdeen, SD
- Lakes Regional Healthcare Spirit Lake, IA
- Pipestone County Medical Center Pipestone, MN
- Spencer Municipal Hospital Spencer, IA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $234.44 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $57.72 |
| AMNEAL PHARMACEUTICALS LLC | $45.84 |
| VANDA PHARMACEUTICALS INC. | $35.05 |
| GENENTECH USA, INC. | $27.95 |
| AXSOME THERAPEUTICS, INC. | $20.22 |
| MERZ PHARMACEUTICALS, LLC | $18.06 |
| ABBOTT LABORATORIES | $15.87 |
| CELGENE CORPORATION | $13.73 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Neurology
- Taxonomy code
- 2084N0400X
- Enumeration date
- May 11, 2012
- Record updated
- Sep 20, 2018
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2084N0400X
License reported: 4301102371 MI
390200000X
2084N0400X · Primary
License reported: 10894 SD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1301 S Cliff Ave Ste 506Sioux Falls, SD 57105
- Phone
- (605) 335-0844
- Fax
- (605) 335-3951
Mailing address
1301 S CLIFF AVE STE 506SIOUX FALLS, SD 571051023
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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