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

Russell P Mackay

Individual provider Mental Health Counselor · NPI 1790877090

Russell P Mackay is a Mental Health Counselor in Boston, Massachusetts. Qualified in 2013, 13 years ago. Practices with Thrive Counseling LLC, a 1,188-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Utah.

Years since qualifying
13
Licensed in
MA, UT
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

434 Massachusetts Ave Ste 501
Boston, MA 02118-3522
Phone: (339) 666-8516
Fax: (617) 807-0958
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1003 Eastgate Dr, Provo, UT 84606-5601 — (801) 380-3914

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LMHC10002806 (MA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 5935490-6009 (UT)

Record details

NPI number1790877090
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 28, 2006
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Thrive Counseling Llc — 1188 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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