NPPES file of Aug 9, 2026

Gregory Mackean Bentley

Addiction (Substance Use Disorder) Counselor · Sausalito, CA

Gregory Mackean Bentley is an addiction (substance use disorder) counselor with a practice address in Sausalito, California, and NPI 1922637743, issued on Apr 3, 2020. Check the license (California R1379250320, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922637743
Name
Gregory Mackean Bentley
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
R1379250320 CA
Self-reported in NPPES; status is on the state search
Practice location
268 Bay Vista Cir, Sausalito, CA 94965
Phone
(415) 306-4034
Enumerated
Apr 3, 2020
Record last updated
Apr 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Gregory Mackean Bentley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license R1379250320    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Addiction (Substance Use Disorder) Counselor providers in California

There are 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 27,741 in California → Every provider in Sausalito →

Other addiction (substance use disorder) counselor records in California

  1. Sean A Jerome, CADCIICosta Mesa, CA1831884550
  2. Carrie AamodtVisalia, CA1932661311
  3. Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
  4. Lisa Aaron, CASACCulver City, CA1356090849
  5. Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
  6. Victor AbadEl Cajon, CA1205562238
  7. Sean AbairTaft, CA1174084347
  8. Maira AbalosDelano, CA1508452038
  9. Jazmine AbanicoVentura, CA1851964613
  10. Israel Abarca, CAADESan Francisco, CA1114126950

Common questions

What is Gregory Mackean Bentley's NPI number?

Gregory Mackean Bentley's National Provider Identifier (NPI) is 1922637743, issued on Apr 3, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Mackean Bentley located?

The NPPES record lists a practice address at 268 Bay Vista Cir, Sausalito, CA, 94965. Phone: (415) 306-4034. Providers update this record themselves, so call before visiting.

How can I verify Gregory Mackean Bentley's license?

NPPES lists California license number R1379250320, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.