Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Joyce Mierzejwski, LPC

Individual provider Mental Health Counselor · NPI 1417013962

MS. Joyce Mierzejwski, LPC is a Mental Health Counselor in Montclair, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2006
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

8 Hillside Ave Ste 107
Montclair, NJ 07042-2129
Phone: (973) 857-5333
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence PC0515 (NJ)

Record details

NPI number1417013962
Entity typeIndividual (Type 1)
GenderFemale
Credentials LPC
Sole proprietorYes
NPI enumeratedDecember 29, 2006
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

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