Siouxland Regional Cancer Center
NPI 1114904604 · Hematology & Oncology Physician · Sioux City, IA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siouxland Regional Cancer Center is a Hematology & Oncology Physician organization in Sioux City, IA (NPI 1114904604).
Provider details
- NPI number
- 1114904604
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Krista Mccullough, Executive Director(712) 252-9301
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Radiation Oncology Physician2085R0001X
Allopathic & Osteopathic Physicians
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- June E Nylen Cancer Center
- Doing business as
- June E Nylen Cancer Center
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2019-06-24
Frequently asked questions
- What is Siouxland Regional Cancer Center's NPI number?
- Siouxland Regional Cancer Center's National Provider Identifier (NPI) is 1114904604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siouxland Regional Cancer Center?
- Siouxland Regional Cancer Center is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Siouxland Regional Cancer Center located?
- Siouxland Regional Cancer Center's practice location on file with NPPES is 230 Nebraska St, Sioux City, IA 51101-1733.
- What is Siouxland Regional Cancer Center's phone number?
- The practice phone number listed in the NPPES registry for Siouxland Regional Cancer Center is (712) 252-0088.
- Does Siouxland Regional Cancer Center accept Medicare?
- Siouxland Regional Cancer Center is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Siouxland Regional Cancer Center?
- The authorized official listed on Siouxland Regional Cancer Center's NPPES record is Krista Mccullough, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siouxland Regional Cancer Center's NPI active?
- Yes — Siouxland Regional Cancer Center's NPI (1114904604) is active in the NPPES registry as of the last update on 2019-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.