Doctor profile · Federal record

Dr. Marc Ellwein, PA-C

Physician Assistant · Sioux Falls, SD

  • NPI 1710914478
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 S Marion RD
Sioux Falls, SD 571063646
(605) 322-5180
fax (605) 322-5179
Mailing address
1200 S 7Th Ave
Sioux Falls, SD 571050998

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 18, 2022
Specialty taxonomy
363A00000X — NUCC code
State license (1)
South Dakota #0178

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710914478. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
2
Medicare allowed
$3,107
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 24 22 $89
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $60

In context: peer comparison

Among 78 peers in Sioux Falls Physician Assistant, average services per provider: 103. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
255
Patients
16
Total drug cost
$2,656
Drug Type Claims Patients Total cost
Lisinopril Generic 38 16 $291
Omeprazole Generic 35 0 $419
Amlodipine Besylate Generic 21 0 $259
Atorvastatin Calcium Generic 21 0 $198
Furosemide Generic 21 0 $121
Duloxetine Hcl Generic 18 0 $264
Meloxicam Generic 18 0 $181
Losartan Potassium Generic 16 0 $182
Metformin Hcl Generic 15 0 $148
Levothyroxine Sodium Generic 14 0 $290

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Ellwein's medical specialty?
Dr. Marc Ellwein practices Physician Assistant in Sioux Falls, SD.
Where does Dr. Marc Ellwein practice?
Dr. Marc Ellwein practices at 2100 S Marion RD, Sioux Falls, SD 571063646. Office phone: 6053225180.
What is Dr. Marc Ellwein's NPI?
Dr. Marc Ellwein's National Provider Identifier (NPI) is 1710914478, issued by NPPES.
What procedures does Dr. Marc Ellwein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.