RALPH FREDERICK REEDER JR. MD
NPI 1811990161
Neurological Surgery in Dakota Dunes, SD
About Ralph Frederick Reeder Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH FREDERICK REEDER JR. MD (NPI 1811990161) is an individual neurological surgery provider in Dakota Dunes, South Dakota, licensed in South Dakota (3409) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and is a graduate of University Of Washington School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ralph Frederick Reeder Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ralph Reeder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Adel, IA 50003
- Reassigned Medicare billing, Iowa enrollment
- 516 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57049 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DAKOTA DUNES, SD 57049
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ralph Reeder's NPI number?
The NPI number for Ralph Reeder is 1811990161. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Ralph Reeder located?
Ralph Reeder practices at 575 N Sioux Point Rd, Dakota Dunes, SD 57049. The listed phone number is (605) 217-2667.
What is Ralph Reeder's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Ralph Reeder enrolled in Medicare?
Yes. Ralph Reeder is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ralph Reeder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Reeder reassigns Medicare benefits to Mercy Clinics, Inc (Adel, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ralph Reeder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Reeder accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 1 other insurer list Ralph Reeder as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ralph Reeder affiliated with any hospitals?
According to CMS data, Ralph Reeder is affiliated with Mercyone Des Moines Medical Center.
When was this NPI record last updated?
The NPPES record for Ralph Reeder was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.