Quick answers
- Does Sarah B. Ongstad accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah B. Ongstad accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sarah B. Ongstad see?
- In 2024, CMS data shows 1,653 Original Medicare patients and 3,853 services for Sarah B. Ongstad. This counts Original Medicare only and measures volume, not quality.
- What is Sarah B. Ongstad's NPI number?
- 1548580814. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sarah B. Ongstad, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,653 |
|---|---|
| Services billed to Medicare | 3,853 |
| Different services or procedures | 118 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)634 services
- Ultrasound of both sides of head and neck blood flow (93880)493 services
- Ultrasound study of arm and leg arteries (93922)327 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)278 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)257 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease48%
- Chronic kidney disease41%
- Heart failure38%
Hospitals where Sarah B. Ongstad works
Medicare's Facility Affiliation Data lists Sarah B. Ongstad at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bryan Medical CenterLincoln, NE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 280003
- Cherry County HospitalValentine, NE · Critical Access Hospital · Emergency services: listed by Medicare · CCN 281344
- Clarinda Regional Health CenterClarinda, IA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 161352
- Great Plains HealthNorth Platte, NE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 280065
- York General Health Care ServicesYork, NE · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 281336
Practice locations
Addresses where Sarah B. Ongstad is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 S 48th St, 600 Bryan HeartLincoln, NE 68506 (402) 483‑3333
- 220 Essie Davison Dr, Clarinda Regional Health CenterClarinda, IA 51632 (712) 542‑2176
- 601 W Leota StNorth Platte, NE 69101
- 601 W Leota St, Great Plains HealthNorth Platte, NE 69101 (308) 568‑8000
- 611 W Francis StNorth Platte, NE 69101
Group practices
Medicare enrollment lists Sarah B. Ongstad as a member of these groups (CMS data updated October 2, 2026).
- North Platte Nebraska Hospital Corporation243 clinicians in the group
- Integrated Cardiology Group LLC77 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Lincoln
Clinicians with the same Medicare primary specialty in Lincoln, NE — not a recommendation.
Other clinicians in North Platte Nebraska Hospital Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548580814 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians