MARK JAMES JAMESON MD PHD
NPI 1073564993
Otolaryngology in Sioux Falls, SD
About Mark James Jameson Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK JAMES JAMESON MD PHD (NPI 1073564993) is an individual otolaryngology provider in Sioux Falls, South Dakota, licensed in South Dakota (13192) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Lakes Regional Healthcare, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Mark James Jameson Md Phd 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 Reassignments
2Medicare enrollment records show Mark Jameson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 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 7
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakes Regional Healthcare
Acute Care Hospitals · Spirit Lake, IAPipestone County Medical Center
Critical Access Hospitals · Pipestone, MNAvera Sacred Heart Hospital
Acute Care Hospitals · Yankton, SDAvera St Lukes
Acute Care Hospitals · Aberdeen, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
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
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 Mark Jameson's NPI number?
The NPI number for Mark Jameson is 1073564993. It was assigned to this individual provider in the NPPES registry on May 15, 2006. The provider is also known as Mark James Horney.
Where is Mark Jameson located?
Mark Jameson practices at 1417 S Cliff Ave Ste 300, Sioux Falls, SD 57105. The listed phone number is (605) 504-3000.
What is Mark Jameson's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mark Jameson enrolled in Medicare?
Yes. Mark Jameson 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 organizations bill Medicare for Mark Jameson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Jameson reassigns Medicare benefits to 2 organizations: Avera Mckennan (Sioux Falls, SD) and University Of Virginia Physicians Group (Charlottesville, VA). Each 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 Mark Jameson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Jameson 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 Mark Jameson 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 Mark Jameson affiliated with any hospitals?
According to CMS data, Mark Jameson is affiliated with Lakes Regional Healthcare, Pipestone County Medical Center, Avera Sacred Heart Hospital, Avera St Lukes and Avera Mckennan Hospital & University Health Center.
When was this NPI record last updated?
The NPPES record for Mark Jameson was last updated on February 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.