DR. STEPHEN ROBERT LASSEN (PH.D.) – Clinical Child & Adolescent Psychologist, NPI 1649476094

DR. STEPHEN ROBERT LASSEN (PH.D.) is a healthcare provider. based in Kansas city, Kansas. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. The NPI Number for DR. STEPHEN ROBERT LASSEN (PH.D.) is 1649476094

Main info

Male
Sole Proprietor
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEPHEN ROBERT LASSEN (PH.D.)
NPI
1649476094
Phone
(913) 588-6323
Address
3901 RAINBOW BLVD # MS -4004
Enumeration Date
22 June 2007
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9135881227
Graduation Year
2006 (20 years ago)
PAC ID
0042393217
Group Practice PAC ID
8921911587
Professional Enrollment ID
I20080211000702
Address ID
KS661600001KA4000XSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness75
Years active:18State licenses:0Digital endpointsOther names

282 CLINICAL PSYCHOLOGIST in KS

Provider Addresses for DR. STEPHEN ROBERT LASSEN (PH.D.)

  • 3901 RAINBOW BLVD # MS -4004

    KANSAS CITY, KS 661600001

    Phone: (913) 588-6323

    Type: Location

  • 2725, Wildflower Drive, Lawrence, Douglas County, Kansas, 66047, United States

    LAWRENCE, KS 660471893

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-02-11

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080211000702IClinical PsychologistKSTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 66160)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8921911587View full group profile

Reviews

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Frequently asked questions

What is the registry number for DR. STEPHEN ROBERT LASSEN (PH.D.)?
The registry entry for DR. STEPHEN ROBERT LASSEN (PH.D.) shows NPI 1649476094.
Should I treat DR. STEPHEN ROBERT LASSEN (PH.D.) as an active provider?
Patients and plans typically see DR. STEPHEN ROBERT LASSEN (PH.D.) as active in the national extract.
Which specialty label fits DR. STEPHEN ROBERT LASSEN (PH.D.)?
NPPES ties DR. STEPHEN ROBERT LASSEN (PH.D.) to Clinical Child & Adolescent Psychologist in the taxonomy section. Clinical services aligned with this taxonomy classification.
What city is tied to DR. STEPHEN ROBERT LASSEN (PH.D.)?
The directory associates DR. STEPHEN ROBERT LASSEN (PH.D.) with Kansas City, Kansas. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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