Siouxland Adult Medicine, PLLC
NPI 1295991677 · Specialist · Sioux City, IA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siouxland Adult Medicine, PLLC is a Specialist organization in Sioux City, IA (NPI 1295991677).
Provider details
- NPI number
- 1295991677
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Mark Carlson, Internal Medicine(712) 234-1005
- License
- 127854 (IA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2008-08-05
Frequently asked questions
- What is Siouxland Adult Medicine, PLLC's NPI number?
- Siouxland Adult Medicine, PLLC's National Provider Identifier (NPI) is 1295991677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siouxland Adult Medicine, PLLC?
- Siouxland Adult Medicine, PLLC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Siouxland Adult Medicine, PLLC located?
- Siouxland Adult Medicine, PLLC's practice location on file with NPPES is 2800 Pierce St, Sioux City, IA 51104-3755.
- What is Siouxland Adult Medicine, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Siouxland Adult Medicine, PLLC is (712) 234-1005.
- Does Siouxland Adult Medicine, PLLC accept Medicare?
- Siouxland Adult Medicine, PLLC 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 Adult Medicine, PLLC?
- The authorized official listed on Siouxland Adult Medicine, PLLC's NPPES record is Mark Carlson, Internal Medicine. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siouxland Adult Medicine, PLLC's NPI active?
- Yes — Siouxland Adult Medicine, PLLC's NPI (1295991677) is active in the NPPES registry as of the last update on 2008-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.