Gina Underwood, T21101
NPI 1265185862 · Addiction (Substance Use Disorder) Counselor · Sioux City, IA
Gina Underwood, T21101 is a Addiction (Substance Use Disorder) Counselor provider in Sioux City, IA (NPI 1265185862).
Provider details
- NPI number
- 1265185862
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- T21101
- Sex
- Female
- Sole proprietor
- No
- License
- T21101 (IA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-02-02
- Last updated
- 2022-02-02
- Certified
- 2022-02-02
Frequently asked questions
- What is Gina Underwood's NPI number?
- Gina Underwood's National Provider Identifier (NPI) is 1265185862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gina Underwood's specialty?
- Gina Underwood is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gina Underwood located?
- Gina Underwood's practice location on file with NPPES is 1221 Pierce St, Sioux City, IA 51105-1418.
- What is Gina Underwood's phone number?
- The practice phone number listed in the NPPES registry for Gina Underwood is (712) 255-0204.
- Is Gina Underwood's NPI active?
- Yes — Gina Underwood's NPI (1265185862) is active in the NPPES registry as of the last update on 2022-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.