Stephen Lassen, PH.D.
NPI 1649476094 · Clinical Child & Adolescent Psychologist · Kansas City, KS
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Lassen, PH.D. is a Clinical Child & Adolescent Psychologist provider in Kansas City, KS (NPI 1649476094).
Provider details
- NPI number
- 1649476094
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-06-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Lassen's NPI number?
- Stephen Lassen's National Provider Identifier (NPI) is 1649476094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lassen's specialty?
- Stephen Lassen is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Lassen located?
- Stephen Lassen's practice location on file with NPPES is 3901 Rainbow Blvd # Ms -4004, Kansas City, KS 66160-0001.
- What is Stephen Lassen's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lassen is (913) 588-6323.
- Does Stephen Lassen accept Medicare?
- Stephen Lassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Lassen's NPI active?
- Yes — Stephen Lassen's NPI (1649476094) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.