Siouxland Obstetrics & Gynecology, P.C.
NPI 1134250939 · Obstetrics & Gynecology Physician · Sioux City, IA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siouxland Obstetrics & Gynecology, P.C. is a Obstetrics & Gynecology Physician organization in Sioux City, IA (NPI 1134250939).
Provider details
- NPI number
- 1134250939
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Melissa Holtz, Authorized Official(712) 277-3138
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-03-07
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is Siouxland Obstetrics & Gynecology, P.C.'s NPI number?
- Siouxland Obstetrics & Gynecology, P.C.'s National Provider Identifier (NPI) is 1134250939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Siouxland Obstetrics & Gynecology, P.C.?
- Siouxland Obstetrics & Gynecology, P.C. is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Siouxland Obstetrics & Gynecology, P.C. located?
- Siouxland Obstetrics & Gynecology, P.C.'s practice location on file with NPPES is 2730 Pierce St Ste 201, Sioux City, IA 51104-3764.
- What is Siouxland Obstetrics & Gynecology, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Siouxland Obstetrics & Gynecology, P.C. is (712) 277-3141.
- Does Siouxland Obstetrics & Gynecology, P.C. accept Medicare?
- Siouxland Obstetrics & Gynecology, P.C. 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 Obstetrics & Gynecology, P.C.?
- The authorized official listed on Siouxland Obstetrics & Gynecology, P.C.'s NPPES record is Melissa Holtz, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Siouxland Obstetrics & Gynecology, P.C.'s NPI active?
- Yes — Siouxland Obstetrics & Gynecology, P.C.'s NPI (1134250939) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.