Allison Vanotterloo, NP-C
NPI 1912254228 · Family Nurse Practitioner · Sioux City, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Vanotterloo, NP-C is a Family Nurse Practitioner provider in Sioux City, IA (NPI 1912254228).
Provider details
- NPI number
- 1912254228
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- A094039 (IA)
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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,021 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 248 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 188 | $97 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 115 | $49 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $71 |
| 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 | 101 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 186 | 43 |
| Levothyroxine Sodium | 186 | 37 |
| Losartan Potassium | 186 | 40 |
| Rosuvastatin Calcium | 153 | 37 |
| Pantoprazole Sodium | 151 | 33 |
| Furosemide | 139 | 28 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (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
Registry dates
- Enumerated
- 2012-08-07
- Last updated
- 2015-08-12
Frequently asked questions
- What is Allison Vanotterloo's NPI number?
- Allison Vanotterloo's National Provider Identifier (NPI) is 1912254228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Vanotterloo's specialty?
- Allison Vanotterloo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Vanotterloo located?
- Allison Vanotterloo's practice location on file with NPPES is 814 Pierce St, Sioux City, IA 51101-1058.
- What is Allison Vanotterloo's phone number?
- The practice phone number listed in the NPPES registry for Allison Vanotterloo is (712) 226-2600.
- Does Allison Vanotterloo accept Medicare?
- Allison Vanotterloo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Vanotterloo's NPI active?
- Yes — Allison Vanotterloo's NPI (1912254228) is active in the NPPES registry as of the last update on 2015-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.