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

Onyx Counseling and Wellness LLC

Organization Addiction (Substance Use Disorder) Counselor · NPI 1952054546

Onyx Counseling and Wellness LLC is an Addiction (Substance Use Disorder) Counselor in Marlborough, Massachusetts. Works from 2 locations. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
3
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

488 Boston Post Rd E
Marlborough, MA 01752-3608
Phone: (617) 249-3577
Fax: (617) 812-1702
Show map & directions

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

Additional practice locations (1)

  • 11 Apex Dr Ste 300a, Marlborough, MA 01752-1977 — (617) 249-3577

Specialties & licences

Social Worker (primary) Taxonomy 104100000X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1952054546
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Manchester-Miles — Manager · (617) 249-3577
NPI enumeratedFebruary 2, 2022
Last updated in NPPESFebruary 5, 2025
Certification dateFebruary 5, 2025
Mailing address11 Apex Dr Ste 300a, Marlborough, MA 01752-1977

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