NPPES file of Aug 9, 2026

Dyan Diamond

Addiction (Substance Use Disorder) Counselor · Chico, CA

Dyan Diamond is an addiction (substance use disorder) counselor with a practice address in Chico, California, and NPI 1265814156, issued on Jun 26, 2015. Check the license (California D1304250920, 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
1265814156
Name
Dyan Diamond
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
D1304250920 CA
Self-reported in NPPES; status is on the state search
Practice location
40 Landing Cir Ste 1, Chico, CA 95973
Phone
(530) 898-9424
Enumerated
Jun 26, 2015
Record last updated
Jun 26, 2015 (not updated in 11 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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8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →

Also registered at 40 Landing Cir Ste 1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Burke, CAADAC II, SAPAddiction (Substance Use Disorder) Counselor1205183761
  2. Shelley Moore, RASAddiction (Substance Use Disorder) Counselor1932458783
  3. Kurtis RafothAddiction (Substance Use Disorder) Counselor1437558764
  4. Edward Sprague, CADC-IIAddiction (Substance Use Disorder) Counselor1588913313

Verify Dyan Diamond 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 D1304250920    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

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Dyan Diamond among 27,741 addiction (substance use disorder) counselor records in California

Dyan Diamond is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 33% of them.

  • NPI issued2015 · 33% of these records are older, 63% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

182 addiction (substance use disorder) counselor records list a practice address in Chico

They are 182 of the 3,684 NPPES records with a practice address in Chico, 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 27,741 in California → Every provider in Chico → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Brenda Arroyo, SUDCC-1Chico, CA 959731740650936
  2. David Burke, CAADAC II, SAPChico, CA 959731205183761
  3. Annette FriendshuhChico, CA 959731710235015
  4. Bradley Long, RASIChico, CA 959731801144498
  5. Debora McRae, RASChico, CA 959731902153471
  6. Shelley Moore, RASChico, CA 959731932458783
  7. Kurtis RafothChico, CA 959731437558764
  8. Cathi Schmitz, RASChico, CA 959731285981753

Common questions

What is Dyan Diamond's NPI number?

Dyan Diamond's National Provider Identifier (NPI) is 1265814156, issued on Jun 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Dyan Diamond located?

The NPPES record lists a practice address at 40 Landing Cir Ste 1, Chico, CA, 95973. Phone: (530) 898-9424. Providers update this record themselves, so call before visiting.

How can I verify Dyan Diamond's license?

NPPES lists California license number D1304250920, 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.