JAMES DREESSEN M.D.
NPI 1245611755
Anesthesiology - Pain Medicine in Sioux Falls, SD
About James Dreessen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES DREESSEN M.D. (NPI 1245611755) is an individual pain medicine provider in Sioux Falls, South Dakota, licensed in South Dakota (13187) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Hegg Memorial Health Center, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
James Dreessen M.d. 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 James Dreessen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 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.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hegg Memorial Health Center
Critical Access Hospitals · Rock Valley, IAAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDOther Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX FALLS, SD 57105
SIOUX FALLS, SD 57105
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 James Dreessen's NPI number?
The NPI number for James Dreessen is 1245611755. It was assigned to this individual provider in the NPPES registry on June 11, 2015.
Where is James Dreessen located?
James Dreessen practices at 1301 S Cliff Ave Ste 401, Sioux Falls, SD 57105. The listed phone number is (605) 322-7300.
What is James Dreessen's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is James Dreessen enrolled in Medicare?
Yes. James Dreessen 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 James Dreessen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Dreessen reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). 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 James Dreessen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Dreessen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list James Dreessen 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 James Dreessen affiliated with any hospitals?
According to CMS data, James Dreessen is affiliated with Hegg Memorial Health Center, Avera Mckennan Hospital & University Health Center, Sanford Usd Medical Center and Avera Heart Hospital Of South Dakota.
When was this NPI record last updated?
The NPPES record for James Dreessen was last updated on March 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.