Kathryn Haack, ARNP - FNP-C
NPI 1225118078 · Nurse Practitioner · Sioux City, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Haack, ARNP - FNP-C is a Nurse Practitioner provider in Sioux City, IA (NPI 1225118078).
Provider details
- NPI number
- 1225118078
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP - FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- A-055923 (IA)
Specialties & taxonomies
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
19 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
755 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 742 | $76 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $104 |
Typical Medicare-allowed amounts for these services range $76–$104 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 371 | 113 |
| Apixabanbrand: Eliquis | 205 | 44 |
| Lisinopril | 150 | 43 |
| Atorvastatin Calcium | 144 | 49 |
| Rosuvastatin Calcium | 141 | 41 |
| Spironolactone | 123 | 38 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 across 4 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
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2011-07-06
Frequently asked questions
- What is Kathryn Haack's NPI number?
- Kathryn Haack's National Provider Identifier (NPI) is 1225118078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Haack's specialty?
- Kathryn Haack is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Haack located?
- Kathryn Haack's practice location on file with NPPES is 2720 Stone Park Blvd, Sioux City, IA 51102.
- What is Kathryn Haack's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Haack is (712) 239-4702.
- Does Kathryn Haack accept Medicare?
- Kathryn Haack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Haack's NPI active?
- Yes — Kathryn Haack's NPI (1225118078) is active in the NPPES registry as of the last update on 2011-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.