IndividualActive
Stephan Langenfeld, EDD
NPI 1518957505 · Psychologist · Sioux Falls, SD
Stephan Langenfeld, EDD is a Psychologist provider in Sioux Falls, SD (NPI 1518957505).
Provider details
- NPI number
- 1518957505
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- EDD
- Sex
- Male
- Sole proprietor
- No
- License
- 262 (SD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
4105 S Carnegie Pl
Sioux Falls, SD 57106-2360
Phone: (605) 323-2345
Fax: (605) 323-2822
Street-level locationGet directions
Mailing address
4105 S Carnegie Pl
Sioux Falls, SD 57106-2360
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2007-11-16
Frequently asked questions
- What is Stephan Langenfeld's NPI number?
- Stephan Langenfeld's National Provider Identifier (NPI) is 1518957505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephan Langenfeld's specialty?
- Stephan Langenfeld is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephan Langenfeld located?
- Stephan Langenfeld's practice location on file with NPPES is 4105 S Carnegie Pl, Sioux Falls, SD 57106-2360.
- What is Stephan Langenfeld's phone number?
- The practice phone number listed in the NPPES registry for Stephan Langenfeld is (605) 323-2345.
- Is Stephan Langenfeld's NPI active?
- Yes — Stephan Langenfeld's NPI (1518957505) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.