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

Mr. Ronald Robert Mackenzie, LCSW

Individual provider Clinical Social Worker · NPI 1629227780

Mr. Ronald Robert Mackenzie, LCSW is a Clinical Social Worker in Greenfield, California. Qualified in 2010, 16 years ago. Practices with Sud Specialty Group - Ca, a 499-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2008
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

215 Huerta Ave
Greenfield, CA 93927
Phone: (831) 674-2180
Show map & directions

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

Additional practice locations (1)

  • 2625 Zanker Rd, San Jose, CA 95134-2130 — (408) 240-3385

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 66544 (CA)

Record details

NPI number1629227780
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 13, 2008
Last updated in NPPESJanuary 30, 2019

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Sud Specialty Group - Ca — 499 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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