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KAREN PIECZYNSKI LCSW
NPI 1225563901
Social Worker - Clinical in Denver, CO

Active since May 01, 2017
1500 N GRANT ST STE N, DENVER, CO 80203(602) 935-9828 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 6, 2026, Nov 2, 2020 (2 updates tracked since 2020).

About Karen Pieczynski Lcsw NPPES

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

KAREN PIECZYNSKI LCSW (NPI 1225563901) is an individual clinical provider in Denver, Colorado, licensed in Arizona (LCSW- 16628) and active in the NPI registry since May 2017. She maintains a secondary practice location in Mesa.

NPPES Registry Identity

NPI1225563901
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKAREN PIECZYNSKICredential: LCSW
Location Address1500 N GRANT ST STE NDenver, CO 80203-1859
Mailing Address1500 N Grant St Ste NDenver, CO 80203-1859 · (602) 935-9828
Phone(602) 935-9828
Sole ProprietorYes
Enumeration DateMay 1, 2017
Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1225563901 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 AZ · LCSW- 16628
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.
1500 N GRANT ST STE N, Denver, CO 80203
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Secondary Practice Location 1

Location 11930 S Alma School Rd Ste B214Mesa, AZ 85210-2104 · Phone (724) 456-4414

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc., UnitedHealthcare.Insurance ›

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.

TASHIKIA RICHARDSON RDH
Dental Hygienist
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (407) 693-3218
WHOLEMIND PSYCHIATRY
Nurse Practitioner (Psychiatric/Mental Health)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (508) 292-0232
DOMINIQUE GUILLEN LCSW
Social Worker (Clinical)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (720) 466-3642
WARBLEFOOT LLC
Clinic/Center (Multi-Specialty)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (303) 747-6053
CAROLINE MORALES-FULFORD LSW
Social Worker (Clinical)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (970) 608-4545
LEAD BEHAVIORAL THERAPY CO LLC
Behavior Analyst
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (710) 689-9991
LAUREN R FINNEGAN LCSW
Social Worker (Clinical)
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (720) 722-1073
AERO GLOBAL ENTERPRISES LLC
Durable Medical Equipment & Medical Supplies
1500 N GRANT ST STE N
DENVER, CO 80203
Denver County (719) 603-0942

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 Karen Pieczynski's NPI number?

The NPI number for Karen Pieczynski is 1225563901. It was assigned to this individual provider in the NPPES registry on May 1, 2017.

Where is Karen Pieczynski located?

Karen Pieczynski practices at 1500 N Grant St Ste N, Denver, CO 80203. The listed phone number is (602) 935-9828.

What is Karen Pieczynski's specialty?

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

What insurance does Karen Pieczynski accept?

Health plans from Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Karen Pieczynski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Pieczynski was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.