Christi Bostwick, PHD
NPI 1811139785 · Psychologist · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christi Bostwick, PHD is a Psychologist provider in Sioux Falls, SD (NPI 1811139785).
Provider details
- NPI number
- 1811139785
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 6069 (MN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
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
- 2009-03-24
- Last updated
- 2024-10-10
- Certified
- 2024-10-10
Frequently asked questions
- What is Christi Bostwick's NPI number?
- Christi Bostwick's National Provider Identifier (NPI) is 1811139785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christi Bostwick's specialty?
- Christi Bostwick is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Christi Bostwick located?
- Christi Bostwick's practice location on file with NPPES is 1600 W 22nd St, Sioux Falls, SD 57105-1521.
- What is Christi Bostwick's phone number?
- The practice phone number listed in the NPPES registry for Christi Bostwick is (605) 312-1000.
- Does Christi Bostwick accept Medicare?
- Christi Bostwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christi Bostwick's NPI active?
- Yes — Christi Bostwick's NPI (1811139785) is active in the NPPES registry as of the last update on 2024-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.