Dr Elizabeth Whitley Lassen, PSYD - Medicare Psychologist in Louisville, CO

Dr Elizabeth Whitley Lassen, PSYD is a medicare enrolled "Psychologist - Clinical" provider in Louisville, Colorado. She graduated from medical school in 2011 and has 15 years of diverse experience with area of expertise as Clinical Psychologist. She is a member of the group practice Portercare Adventist Health System, Total Life Inc and her current practice location is 80 Health Park Dr Ste 270, Louisville, Colorado. You can reach out to her office (for appointments etc.) via phone at (303) 661-4100.

Dr Elizabeth Whitley Lassen is licensed to practice in Colorado (license number PSY.4381) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1457684938.

Contact Information

Dr Elizabeth Whitley Lassen, PSYD
80 Health Park Dr Ste 270,
Louisville, CO 80027-4644
(303) 661-4100
(720) 321-8969

Map and Direction




Healthcare Provider's Profile

Full NameDr Elizabeth Whitley Lassen
GenderFemale
SpecialityClinical Psychologist
Experience15 Years
Location80 Health Park Dr Ste 270, Louisville, Colorado
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Elizabeth Whitley Lassen graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1457684938
  • Provider Enumeration Date: 09/15/2009
  • Last Update Date: 02/21/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 1850546847
  • Enrollment ID: I20170801002949

Medical Identifiers

Medical identifiers for Dr Elizabeth Whitley Lassen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457684938NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical PSY25272 (California)Secondary
103TC0700XPsychologist - Clinical PSY.4381 (Colorado)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Portercare Adventist Health System0941110886682
Total Life Inc8123433034123

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Elizabeth Whitley Lassen allows following entities to bill medicare on her behalf.
Entity NameCatholic Health Initiatives Colorado
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356783351
PECOS PAC ID: 8022927342
Enrollment ID: O20031215000462
Entity NamePortercare Adventist Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760761928
PECOS PAC ID: 0941110886
Enrollment ID: O20090115000327
Entity NameTotal Life Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053909267
PECOS PAC ID: 8123433034
Enrollment ID: O20221114001585

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Elizabeth Whitley Lassen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Elizabeth Whitley Lassen, PSYD
80 Health Park Dr Ste 270,
Louisville, CO 80027-4644

Ph: (303) 661-4100
Dr Elizabeth Whitley Lassen, PSYD
80 Health Park Dr Ste 270,
Louisville, CO 80027-4644

Ph: (303) 661-4100

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.