Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BONNIE LEA LANCASTER LCSW
NPI 1851393425
Social Worker - Clinical in Denver, CO

Active since August 12, 2005
1555 HUMBOLDT ST, DENVER, CO 80218(303) 504-1650(303) 504-1660 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Bonnie Lea Lancaster Lcsw NPPES

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

BONNIE LEA LANCASTER LCSW (NPI 1851393425) is an individual clinical provider in Denver, Colorado, licensed in Colorado (992002) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1851393425
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameBONNIE LEA LANCASTERCredential: LCSW
Location Address1555 HUMBOLDT STDenver, CO 80218-1614
Mailing Address4141 E Dickenson PlDenver, CO 80222-6012 · (303) 504-6509 · Fax (303) 782-0916
Fax(303) 504-1660
Sole ProprietorNo
Enumeration DateAugust 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1851393425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CO · 992002
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1555 HUMBOLDT ST, Denver, CO 80218

Other Providers at the Same Location NPPES 20

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

Case Manager/Care Coordinator
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Addiction (Substance Use Disorder))
1555 HUMBOLDT ST
DENVER, CO 80218
Licensed Practical Nurse
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Mental Health)
1555 HUMBOLDT ST
DENVER, CO 80218
Psychiatry & Neurology (Psychiatry)
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Professional)
1555 HUMBOLDT ST
DENVER, CO 80218
Case Manager/Care Coordinator
1555 HUMBOLDT ST
DENVER, CO 80218

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Bonnie Lancaster's NPI number?

The NPI number for Bonnie Lancaster is 1851393425. It was assigned to this individual provider in the NPPES registry on August 12, 2005.

Where is Bonnie Lancaster located?

Bonnie Lancaster practices at 1555 Humboldt St, Denver, CO 80218. The listed phone number is (303) 504-1650.

What is Bonnie Lancaster's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Bonnie Lancaster was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.