Elizabeth O'Neill, MS ARNP-BC
NPI 1215135348 · Nurse Practitioner · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth O'Neill, MS ARNP-BC is a Nurse Practitioner provider in Sioux Falls, SD (NPI 1215135348).
Provider details
- NPI number
- 1215135348
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS ARNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- CP000514 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
310 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 194 | $115 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 116 | $13 |
Typical Medicare-allowed amounts for these services range $13–$115 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Potassium Chloride | 23 | — |
| Apixabanbrand: Eliquis | 22 | — |
| Ondansetronbrand: Ondansetron Odt | 19 | 18 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 16 | — |
| Prochlorperazine Maleate | 15 | 15 |
| Everolimus | 13 | — |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2015-10-14
Frequently asked questions
- What is Elizabeth O'Neill's NPI number?
- Elizabeth O'Neill's National Provider Identifier (NPI) is 1215135348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth O'Neill's specialty?
- Elizabeth O'Neill is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth O'Neill located?
- Elizabeth O'Neill's practice location on file with NPPES is 1000 E 23rd St, Sioux Falls, SD 57105-2108.
- What is Elizabeth O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth O'Neill is (605) 322-7334.
- Does Elizabeth O'Neill accept Medicare?
- Elizabeth O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth O'Neill's NPI active?
- Yes — Elizabeth O'Neill's NPI (1215135348) is active in the NPPES registry as of the last update on 2015-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.