Ronald Robert Mackenzie, LCSW
Clinical Social Worker · Greenfield, CA
Ronald Robert Mackenzie, LCSW is a clinical social worker with a practice address in Greenfield, California, and NPI 1629227780, issued on Sep 13, 2008. Check the license (California 66544, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Robert Mackenzie
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 66544 CA
Self-reported in NPPES; status is on the state search - Practice location
- 215 Huerta Ave, Greenfield, CA 93927
- Phone
- (831) 674-2180
- Enumerated
- Sep 13, 2008
- Record last updated
- Jan 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160823003212); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 215 Huerta Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eryne AlvaresCase Manager/Care Coordinator1629559406
- Ma Cindy Aquino, LVNLicensed Vocational Nurse1043684095
- Mark CastilloCounselor1184845786
- David Dummar, MFT, LADCMarriage & Family Therapist1861693145
- Michelle Kane, CMT CAP RYTStudent in an Organized Health Care Education/Training Program1578136503
- Haley KirzyLicensed Vocational Nurse1437801446
Verify Ronald Robert Mackenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 66544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sud Specialty Group - CASanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinical Social Worker providers in California
There are 36,261 clinical social worker records in California.
Other clinical social worker records in California
- Lynne Aalan, LCSWYountville, CA1417195710
- Ahmad Fahim AalemiSacramento, CA1033052410
- Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
- Shari Aarons, LCSWTarzana, CA1467636845
- Mary Aarsheim, LCSWPenn Valley, CA1104192616
- Sandra Aase, LCSWRiverside, CA1699872325
- Maria Abaci, LCSWSan Rafael, CA1205161924
- Louisa AbadaOakland, CA1023502259
- Alejandro Abarca, LCSWSonora, CA1538184676
- Daisy Abarca, ACSWRoseville, CA1548124779
Common questions
What is Ronald Robert Mackenzie, LCSW's NPI number?
Ronald Robert Mackenzie, LCSW's National Provider Identifier (NPI) is 1629227780, issued on Sep 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Robert Mackenzie, LCSW located?
The NPPES record lists a practice address at 215 Huerta Ave, Greenfield, CA, 93927. Phone: (831) 674-2180. Providers update this record themselves, so call before visiting.
How can I verify Ronald Robert Mackenzie, LCSW's license?
NPPES lists California license number 66544, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.