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

Hadley Maccallum, LMHC

Individual provider Mental Health Counselor · NPI 1730779521

Hadley Maccallum, LMHC is a Mental Health Counselor in New York, New York. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

37 W 20th St Ste 407
New York, NY 10011-3719
Phone: (917) 920-9325
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1730779521
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC
Sole proprietorNo
NPI enumeratedJanuary 25, 2021
Last updated in NPPESMarch 17, 2026
Certification dateMarch 17, 2026

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