DR. ELIZABETH WHITLEY LASSEN PSYD
NPI 1457684938
Psychologist - Clinical in Louisville, CO

Q: What is Elizabeth Lassen's NPI number?

The NPI number for Elizabeth Lassen is 1457684938. It was assigned to this individual provider in the NPPES registry on September 15, 2009.

Q: What is Elizabeth Lassen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Lassen was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 15, 2009PECOS EnrolledAccepts Medicare Assignment

80 HEALTH PARK DR STE 270, LOUISVILLE, CO 80027(303) 661-4100(720) 321-8969 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 21, 2025, Jul 31, 2024, Aug 10, 2023 and 2 more (5 updates tracked since 2017).

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About Dr. Elizabeth Whitley Lassen Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIZABETH WHITLEY LASSEN PSYD (NPI 1457684938) is an individual clinical provider in Louisville, Colorado, licensed in Colorado (PSY.4381) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1457684938

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. ELIZABETH WHITLEY LASSENCredential: PSYD

Location Address80 HEALTH PARK DR STE 270Louisville, CO 80027-4644

Mailing Address80 Health Park Dr Ste 270Louisville, CO 80027-4644 · (303) 661-4100 · Fax (720) 321-8969

Phone(303) 661-4100

Fax(720) 321-8969

Sole ProprietorYes

Medical School CMSOtherGraduated 2011

Enumeration DateSeptember 15, 2009

Last NPPES UpdateFebruary 21, 20255 updates tracked since enumeration

NPPES CertifiedFebruary 21, 2025

✔ NPI 1457684938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Licenses✔ Licensed in CO · PSY.4381✔ Licensed in CA · PSY25272

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

80 HEALTH PARK DR STE 270, Louisville, CO 80027

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elizabeth Whitley Lassen Psyd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850546847

PECOS Enrollment IDI20170801002949

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.

371 services36 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$174.82 typical visit price

range $58.06 – $174.82

Typical copayment $43.70 (range $14.51 – $43.70)

Most-billed visit code 99205

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PORTERCARE ADVENTIST HEALTH SYSTEM

Surgery