KATARZYNA GRZEGORCZYK L.AC.
NPI 1497617898
Acupuncturist in Los Angeles, CA

Q: What is Katarzyna Grzegorczyk's NPI number?

The NPI number for Katarzyna Grzegorczyk is 1497617898. It was assigned to this individual provider in the NPPES registry on November 25, 2025.

Q: What is Katarzyna Grzegorczyk's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

Active since November 25, 2025

11915 W WASHINGTON BLVD, LOS ANGELES, CA 90066(310) 572-1515 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Katarzyna Grzegorczyk L.ac. NPPES

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

KATARZYNA GRZEGORCZYK L.AC. (NPI 1497617898) is an individual acupuncturist in Los Angeles, California, licensed in California (11504) and active in the NPI registry since November 2025. She maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1497617898

Entity TypeIndividualFemale

Primary Taxonomy171100000X

Provider Legal NameKATARZYNA GRZEGORCZYKCredential: L.AC.

Location Address11915 W WASHINGTON BLVDLos Angeles, CA 90066-5815

Mailing Address11131 Rose Ave Apt 15Los Angeles, CA 90034-6067 · (818) 642-6281

Phone(310) 572-1515

Sole ProprietorYes

Enumeration DateNovember 25, 2025

NPPES CertifiedNovember 25, 2025

✔ NPI 1497617898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAcupuncturistOther Service Providers

Taxonomy Code171100000X

License✔ Licensed in CA · 11504

Definition

An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.

11915 W WASHINGTON BLVD, Los Angeles, CA 90066

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Secondary Practice Location 1

Location 111131 Rose Ave Apt 15Los Angeles, CA 90034-6067 · Phone (818) 642-6281

Other Providers at the Same Location NPPES

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

ALEXANDRA TREVISAN DC

Chiropractor

11915 W WASHINGTON BLVD
LOS ANGELES, CA 90066

Los Angeles County (310) 572-1515

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 Katarzyna Grzegorczyk's NPI number?

The NPI number for Katarzyna Grzegorczyk is 1497617898. It was assigned to this individual provider in the NPPES registry on November 25, 2025.

Where is Katarzyna Grzegorczyk located?

Katarzyna Grzegorczyk practices at 11915 W Washington Blvd, Los Angeles, CA 90066. The listed phone number is (310) 572-1515.

What is Katarzyna Grzegorczyk's specialty?

The primary specialty registered for this NPI is Acupuncturist with taxonomy code 171100000X.

When was this NPI record last updated?

The NPPES record for Katarzyna Grzegorczyk was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.