Doctor profile · Federal record

Dr. Rebecca Immonen-Sage, PA-C

Physician Assistant · Physician Assistant · Surgical Physician Assistant · Sioux Falls, SD

  • NPI 1205120821
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4520 W 69Th St
Sioux Falls, SD 571088148
(605) 977-5000
fax (605) 977-5377
Additional location
1200 6Th Ave N, Centra Care Clinic
Saint Cloud, MN 563032735
(320) 656-7020
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
May 16, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
South Dakota #1376 · Minnesota #11007

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205120821. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
5
Medicare allowed
$8,012
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 24 24 $2
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $179
33533 Coronary artery bypass using artery graft, 1 graft 18 18 $201
33268 Exclusion of appendage of left upper chamber of heart performed during other procedure on chest 14 14 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $49

In context: peer comparison

Among 78 peers in Sioux Falls Physician Assistant, average services per provider: 103. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$509
Transactions
13
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Getinge USA Sales, LLC 4 $244.06
Haemonetics Corporation 1 $64.86
Abiomed 2 $63.22
Becton, Dickinson and Company 1 $33.96
Smith+Nephew, INC. 1 $33.70
Zimmer Biomet Holdings, INC. 1 $21.38
Edwards Lifesciences Corporation 1 $17.71
Ethicon US, LLC 1 $16.73
AstraZeneca Pharmaceuticals Lp 1 $13.76

By nature of payment

Food and Beverage
$509

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
358
Patients
215
Total drug cost
$10,831
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 58 27 $771
Metoprolol Tartrate Generic 57 30 $216
Atorvastatin Calcium Generic 40 18 $502
Furosemide Generic 38 38 $63
Potassium Chloride Generic 38 38 $211
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 37 36 $247
Amiodarone Hcl Generic 28 28 $541
Metoprolol Succinate Generic 21 0 $216
Carvedilol Generic 17 0 $44
Eliquis (Apixaban) Brand 13 0 $7,984

Frequently asked questions

Auto-generated from federal data
What is Dr. Rebecca Immonen-Sage's medical specialty?
Dr. Rebecca Immonen-Sage practices Physician Assistant in Sioux Falls, SD.
Where does Dr. Rebecca Immonen-Sage practice?
Dr. Rebecca Immonen-Sage practices at 4520 W 69Th St, Sioux Falls, SD 571088148. Office phone: 6059775000.
What is Dr. Rebecca Immonen-Sage's NPI?
Dr. Rebecca Immonen-Sage's National Provider Identifier (NPI) is 1205120821, issued by NPPES.
Does Dr. Rebecca Immonen-Sage accept Medicare assignment?
Yes. Dr. Rebecca Immonen-Sage accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rebecca Immonen-Sage commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); New patient office or other outpatient visit (HCPCS 99205); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.