1. Home
  2. Directory
  3. California
  4. Lucerne
  5. Counselor
  6. NPI Profile

DENNIS MASON
NPI 1841401825
Counselor - Addiction (Substance Use Disorder) in Lucerne, CA

Active since May 24, 2007
6300 E. HWY 20, LUCERNE, CA 95458(707) 274-9299(707) 274-9297 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dennis Mason NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DENNIS MASON (NPI 1841401825) is an individual addiction (substance use disorder) provider in Lucerne, California and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1841401825
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDENNIS MASON
Location Address6300 E. HWY 20Lucerne, CA 95458
Mailing AddressP.o. Box 48Lucerne, CA 95458 · (707) 274-8579
Phone(707) 274-9299
Fax(707) 274-9297
Sole ProprietorNo
Enumeration DateMay 24, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1841401825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
6300 E. HWY 20, Lucerne, CA 95458
Open in Google Maps ↗

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROBERT WILLIAM GARDNER
Family Medicine (Addiction Medicine)
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299
ROBERT W. GARDNER PSG-DR. GARDNER OUTPATIENT PROGRAM
Community/Behavioral Health
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299
LORI CARTER-RUNYON CASII, CSC, NCACI,
Counselor (Addiction (Substance Use Disorder))
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-8171
ELLIOTT BENNETT
Counselor (Addiction (Substance Use Disorder))
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 349-0629
DR. GARDNER OUTPATIENT PROGRAM
Community/Behavioral Health
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299
LUCERNE COMMUNITY CLINIC
Clinic/Center (Rural Health)
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299
MAUREEN CONWAY
Counselor (Addiction (Substance Use Disorder))
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299
PSG-DR. GARDNER OUTPATIENT PROGRAM
Community/Behavioral Health
6300 E. HWY 20
LUCERNE, CA 95458
Lake County (707) 274-9299

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dennis Mason's NPI number?

The NPI number for Dennis Mason is 1841401825. It was assigned to this individual provider in the NPPES registry on May 24, 2007.

Where is Dennis Mason located?

Dennis Mason practices at 6300 E. Hwy 20, Lucerne, CA 95458. The listed phone number is (707) 274-9299.

What is Dennis Mason's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Dennis Mason was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.