Rebecca Immonen-Sage, PA-C
NPI 1205120821 · Physician Assistant · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Immonen-Sage, PA-C is a Physician Assistant provider in Sioux Falls, SD (NPI 1205120821).
Provider details
- NPI number
- 1205120821
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 11007 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
105 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $53 |
| Harvest of Vein Using an Endoscope33508 | 22 | $2 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 20 | $216 |
| Exclusion of Appendage of Left Upper Chamber of Heart Performed During Other Procedure on Chest33268 | 14 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $81 |
Typical Medicare-allowed amounts for these services range $2–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 74 | 29 |
| Metoprolol Tartrate | 35 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 29 | 26 |
| Furosemide | 25 | 25 |
| Metoprolol Succinate | 25 | 12 |
| Potassium Chloride | 23 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$509 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1200 6th Ave NCentra Care ClinicSaint Cloud, MN 56303-2735Phone: (320) 656-7020
Registry dates
- Enumerated
- 2011-05-31
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Rebecca Immonen-Sage's NPI number?
- Rebecca Immonen-Sage's National Provider Identifier (NPI) is 1205120821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Immonen-Sage's specialty?
- Rebecca Immonen-Sage is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Immonen-Sage located?
- Rebecca Immonen-Sage's practice location on file with NPPES is 4520 W 69th St, Sioux Falls, SD 57108-8148.
- What is Rebecca Immonen-Sage's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Immonen-Sage is (605) 977-5000.
- Does Rebecca Immonen-Sage accept Medicare?
- Rebecca Immonen-Sage is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Immonen-Sage's NPI active?
- Yes — Rebecca Immonen-Sage's NPI (1205120821) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.