Dennis Mason
Addiction (Substance Use Disorder) Counselor · Lucerne, CA
Dennis Mason is an addiction (substance use disorder) counselor with a practice address in Lucerne, California, and NPI 1841401825, issued on May 24, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dennis Mason
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- Practice location
- 6300 E. Hwy 20, Lucerne, CA 95458
- Phone
- (707) 274-9299
- Enumerated
- May 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 274-9297
- Entity
- Type 1 · individual
Also registered at 6300 E. Hwy 20
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elliott BennettAddiction (Substance Use Disorder) Counselor1235311630
- Lynn Brookes, NPFamily Nurse Practitioner1881700599
- Lori Carter-Runyon, CASII, CSC, NCACI,Addiction (Substance Use Disorder) Counselor1194969113
- Maureen ConwayAddiction (Substance Use Disorder) Counselor1437360492
- Robert GardnerAddiction Medicine (Family Medicine) Physician1023183829
- Joseph Geare, P.A.Medical Physician Assistant1649243437
Verify Dennis Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21 addiction (substance use disorder) counselor records list a practice address in Lucerne
They are 21 of the 64 NPPES records with a practice address in Lucerne, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 21 in Lucerne → All 27,741 in California → Every provider in Lucerne →
Other addiction (substance use disorder) counselor records in California
- Sean A Jerome, CADCIICosta Mesa, CA1831884550
- Carrie AamodtVisalia, CA1932661311
- Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
- Lisa Aaron, CASACCulver City, CA1356090849
- Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
- Victor AbadEl Cajon, CA1205562238
- Sean AbairTaft, CA1174084347
- Maira AbalosDelano, CA1508452038
- Jazmine AbanicoVentura, CA1851964613
- Israel Abarca, CAADESan Francisco, CA1114126950
Common questions
What is Dennis Mason's NPI number?
Dennis Mason's National Provider Identifier (NPI) is 1841401825, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Mason located?
The NPPES record lists a practice address at 6300 E. Hwy 20, Lucerne, CA, 95458. Phone: (707) 274-9299. Providers update this record themselves, so call before visiting.
How can I verify Dennis Mason's license?
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. 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.