NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Anna Michalczyk, MFT

Marriage & Family Therapist in Brooklyn, NY · enumerated 2018.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1902383102

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Anna Michalczyk
Credential MFT
Sex Female
Practice address Brooklyn, NY, 11211
Phone (224) 358-3285
Enumeration date Jul 20, 2018
Last updated in NPPES Jul 20, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Anna Michalczyk?
The National Provider Identifier (NPI) for Anna Michalczyk is 1902383102, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anna Michalczyk practice?
The practice location on file with NPPES is in Brooklyn, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-20.