MARK ERICKSON MD
NPI 1083651707
Hospitalist in Sioux Falls, SD
About Mark Erickson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ERICKSON MD (NPI 1083651707) is an individual hospitalist provider in Sioux Falls, South Dakota, licensed in South Dakota (5365) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Sanford Worthington Medical Center, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (1999).
NPPES Registry Identity
Specialties & Licenses 2
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 Erickson 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 Mark Erickson 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
- 826 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 2
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.
Sanford Worthington Medical Center
Acute Care Hospitals · Worthington, MNSanford Westbrook Medical Center
Critical Access Hospitals · Westbrook, MNBrookings Health System
Acute Care Hospitals · Brookings, SDSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX FALLS, SD 57117
SIOUX FALLS, SD 57117
SIOUX FALLS, SD 57117
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 Erickson's NPI number?
The NPI number for Mark Erickson is 1083651707. It was assigned to this individual provider in the NPPES registry on June 1, 2006.
Where is Mark Erickson located?
Mark Erickson practices at 1305 W 18th St, Sioux Falls, SD 57117. The listed phone number is (605) 328-4973.
What is Mark Erickson's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mark Erickson enrolled in Medicare?
Yes. Mark Erickson 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 Mark Erickson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Erickson reassigns Medicare benefits to Sanford Clinic (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 Mark Erickson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Erickson accept?
Health plans from Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Mark Erickson 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 Erickson affiliated with any hospitals?
According to CMS data, Mark Erickson is affiliated with Sanford Worthington Medical Center, Sanford Westbrook Medical Center, Brookings Health System and Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Erickson was last updated on April 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mark Erickson, MD · NPI 1083651707
Hospitalist physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since June 1, 2006.
## Identity
- **NPI:** 1083651707 (Entity type: Individual)
- **Enumerated:** June 1, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 5365 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1305 W 18TH ST, Sioux Falls, SD 57117-5039
- **Phone:** (605) 328-4973 · **Fax:** (605) 328-4973
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sanford Clinic (NPI 1043583537, Sioux Falls, SD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 1999
## Record status
- **NPPES last updated:** April 4, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1083651707) · Data from the CMS NPPES public registry.