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

MR. LESLIE H LEWARK MA LPC CAC III C-AAM
NPI 1821053786
Marriage & Family Therapist in Denver, CO

Q: What is Leslie Lewark's NPI number?

The NPI number for Leslie Lewark is 1821053786. It was assigned to this individual provider in the NPPES registry on April 20, 2006. The provider is also known as Les H Lewark Ma Lpc Cac Lll C-Aam.

Q: What is Leslie Lewark's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Leslie Lewark 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 33 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.

Active since April 20, 2006

750 E 9TH AVE, STE 107, DENVER, CO 80203(303) 832-5333(303) 832-5333 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Mr. Leslie H Lewark Ma Lpc Cac Iii C-aam NPPES

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

MR. LESLIE H LEWARK MA LPC CAC III C-AAM (NPI 1821053786) is an individual marriage & family therapist in Denver, Colorado and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1821053786

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameMR. LESLIE H LEWARKCredential: MA LPC CAC III C-AAM

Location Address750 E 9TH AVE, STE 107Denver, CO 80203

Mailing AddressPo Box 100431Denver, CO 80250 · (303) 832-5333 · Fax (303) 832-5333

Phone(303) 832-5333

Fax(303) 832-5333

Sole ProprietorNo

Enumeration DateApril 20, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1821053786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 2183 (CO)

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 110 (CO)

750 E 9TH AVE, Denver, CO 80203

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Other Names 1

Professional Name (2)Les H Lewark Ma Lpc Cac Lll C-aam

Other Providers at the Same Location NPPES 9

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

DONNA GILES PT

Physical Therapist

750 E 9TH AVE, SUITE 110
DENVER, CO 80203

Denver County (720) 291-1028

JAN COOPER-NADAV MSS, LCSW

Counselor (Professional)

750 E 9TH AVE, #100
DENVER, CO 80203

Denver County (303) 316-0954

LINDA KAY BAIRD MA, LPC

Counselor (Mental Health)

750 E 9TH AVE, #204
DENVER, CO 80203

Denver County (303) 507-6310

MS. DIANNA K DUNBAR LCSW

Social Worker (Clinical)

750 E 9TH AVE, SUITE 102
DENVER, CO 80203

Denver County (303) 832-8353

LAURA WADE JASTER MA, NCC, ERYT

Counselor (Mental Health)

750 E 9TH AVE
DENVER, CO 80203

Denver County (720) 334-7124

KATHLEEN MCDONALD LMT

Massage Therapist

750 E 9TH AVE
DENVER, CO 80203

Denver County (708) 369-1020

MS. JEANNE ADAMS MT

Specialist

750 E 9TH AVE, STE 208
DENVER, CO 80203

Denver County (303) 475-2078

MS. LINDA SUE BOORN CCH, RSHOM(NA)

Homeopath

750 E 9TH AVE, SUITE 106
DENVER, CO 80203

Denver County (303) 263-0572

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 Leslie Lewark's NPI number?

The NPI number for Leslie Lewark is 1821053786. It was assigned to this individual provider in the NPPES registry on April 20, 2006. The provider is also known as Les H Lewark Ma Lpc Cac Lll C-Aam.

Where is Leslie Lewark located?

Leslie Lewark practices at 750 E 9th Ave Ste 107, Denver, CO 80203. The listed phone number is (303) 832-5333.

What is Leslie Lewark's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Leslie Lewark 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 33 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.