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

KAROLINA MARECKI
NPI 1083106470
Social Worker - Clinical in Boulder, CO

Active since June 01, 2018
4430 ARAPAHOE AVE STE 100, BOULDER, CO 80303(720) 310-0570 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 20, 2026, Nov 3, 2023 (2 updates tracked since 2023).

About Karolina Marecki NPPES

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

KAROLINA MARECKI (NPI 1083106470) is an individual clinical provider in Boulder, Colorado, licensed in Colorado (CSW.09933640) and active in the NPI registry since June 2018.

NPPES Registry Identity

NPI1083106470
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKAROLINA MARECKI
Location Address4430 ARAPAHOE AVE STE 100Boulder, CO 80303-1196
Mailing AddressPo Box 62Nederland, CO 80466-0062 · (720) 569-7192
Phone(720) 310-0570
Sole ProprietorNo
Enumeration DateJune 1, 2018
Last NPPES UpdateAugust 20, 20262 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1083106470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · CSW.09933640
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.
Also ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4430 ARAPAHOE AVE STE 100, Boulder, CO 80303
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Other Providers at the Same Location NPPES 2

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

CARLY AMBUSKE LSW
Social Worker
4430 ARAPAHOE AVE STE 100
BOULDER, CO 80303
Boulder County (720) 310-0570
DR. KELSEY HARRIS AU.D.
Audiologist
4430 ARAPAHOE AVE STE 100
BOULDER, CO 80303
Boulder County (303) 225-4534

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 Karolina Marecki's NPI number?

The NPI number for Karolina Marecki is 1083106470. It was assigned to this individual provider in the NPPES registry on June 1, 2018.

Where is Karolina Marecki located?

Karolina Marecki practices at 4430 Arapahoe Ave Ste 100, Boulder, CO 80303. The listed phone number is (720) 310-0570.

What is Karolina Marecki'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 Karolina Marecki was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.