Rebecca Lynn Immonen-Sage, PA-C
NPI 1205120821ActiveIndividual· Physician Assistant· Sioux Falls, SD
Physician Assistant (PA-C) with Heart Hospital of South Dakota LLC, practicing in Sioux Falls, South Dakota. 87 Medicare patients in 2024, $9,720 paid; nearly all of their 380 Part D prescriptions were generic (94%). Abiomed was the largest of 4 companies reporting payments in 2025, $730.13 in all, mostly travel and lodging. Lists Avera Heart Hospital of South Dakota and 1 other hospital as hospital affiliations.
Overview
| NPI | 1205120821 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 31, 2011 |
| Last updated in NPPES | May 16, 2025 |
| Certified by provider | May 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1376 | SD |
| Physician Assistant | 363A00000X | 11007 | MN |
| Physician Assistant, Surgical | 363AS0400X | 11007 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MN); Practitioner - Physician Assistant (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 157 across 28 procedure codes |
| Paid by Medicare | $9,720 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 609 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $12,230 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Heart Hospital of South Dakota LLCSioux Falls, SD · 67 clinicians
Hospital affiliations
- Avera Heart Hospital of South DakotaSioux Falls, SD
- Avera St LukesAberdeen, SD
Industry payments (Open Payments)
- 2025$730.13 · 13 payments from 4 companies
- 2024$509.38 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $649.70 | 10 |
| Atricure, Inc. | $29.73 | 1 |
| Davol Inc. | $26.37 | 1 |
| Convatec Inc. | $24.33 | 1 |
What the 2025 payments were for
- Travel and Lodging$368.73 · 4 payments
- Food and Beverage$361.40 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 255 physician assistants in Sioux Falls · All physician assistants in South Dakota