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STEPHEN BILLION M.D.
NPI 1497790984
Internal Medicine in Sioux Falls, SD

Active since June 18, 2006PECOS Enrolled
1200 S 7TH AVE, STE 2, SIOUX FALLS, SD 57105(605) 336-2140 Get Directions Write a Review

NPPES record last updated: April 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stephen Billion M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHEN BILLION M.D. (NPI 1497790984) is an individual internal medicine provider in Sioux Falls, South Dakota, licensed in South Dakota (1618) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497790984
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEPHEN BILLIONCredential: M.D.
Location Address1200 S 7TH AVE, STE 2Sioux Falls, SD 57105-0998
Mailing Address1200 S 7th AveSioux Falls, SD 57105-0900 · (605) 504-5400 · Fax (605) 504-5150
Phone(605) 336-2140
Sole ProprietorNo
Enumeration DateJune 18, 2006
Last NPPES UpdateApril 15, 2022
NPPES CertifiedApril 15, 2022
✔ NPI 1497790984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SD · 1618
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1200 S 7TH AVE, Sioux Falls, SD 57105
Open in Google Maps ↗

Other Identifiers 1

Medicaid6001385SD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen Billion M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Stephen Billion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Avera Mckennan
Same address
Family Medicine
1200 S 7TH AVE
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota and Iowa enrollments
  • Also billed through NPI 1417246901 (Iowa)
  • 1,277 clinicians in this Medicare group
NPI 1376575514 (605) 336-2140

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician 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.

New Patient
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 18

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
26 suppliers91 claims213 services$6.17 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers20 claims26 services$0.98 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers44 claims44 services$37.43 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers28 claims28 services$85.30 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers26 claims78 services$34.00 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers13 claims73 services$16.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MICHAEL ELLIOTT M.D.
Pediatrics
1200 S 7TH AVE, STE 2
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140
APRIL MARIE BENINGA DNP, FNP-C
Nurse Practitioner (Family)
1200 S 7TH AVE
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140
RICKY KOOIMA M.D.
Pediatrics
1200 S 7TH AVE
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140
ZACHARY MICHAEL WEBER MD
Pediatrics
1200 S 7TH AVE
SIOUX FALLS, SD 57105
Minnehaha County (605) 504-5400
AVERA MCKENNAN
Clinic/Center (Multi-Specialty)
1200 S 7TH AVE, SUITE 2
SIOUX FALLS, SD 57105
Minnehaha County (605) 782-8307
TRICIA KNUTSON M.D.
Family Medicine
1200 S 7TH AVE, SUITE 2
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140
MICHAEL STASSEN M.D.
Family Medicine
1200 S 7TH AVE, STE2
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140
KIMBERLY BARBER
Nurse Practitioner (Family)
1200 S 7TH AVE
SIOUX FALLS, SD 57105
Minnehaha County (605) 336-2140

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 Stephen Billion's NPI number?

The NPI number for Stephen Billion is 1497790984. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Stephen Billion located?

Stephen Billion practices at 1200 S 7th Ave Ste 2, Sioux Falls, SD 57105. The listed phone number is (605) 336-2140.

What is Stephen Billion's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Stephen Billion enrolled in Medicare?

Yes. Stephen Billion is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephen Billion's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Billion 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 Stephen Billion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Stephen Billion was last updated on April 15, 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.