NPPES file of Aug 9, 2026

Barbara Diane Laymance, RAS, NCAC

Addiction (Substance Use Disorder) Counselor · Oroville, CA

Barbara Diane Laymance, RAS, NCAC is an addiction (substance use disorder) counselor with a practice address in Oroville, California, and NPI 1588844666, issued on Nov 6, 2007. Check the license (California C058960718, 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
1588844666
Name
Barbara Diane Laymance
Credential
RAS, NCAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
C058960718 CA
L0503161929 CA
Self-reported in NPPES; status is on the state search
Practice location
2430 Bird St, Oroville, CA 95965
Phone
(530) 538-7277
Enumerated
Nov 6, 2007
Record last updated
Jun 25, 2025
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 2430 Bird St

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

  1. Melissa BelloliAddiction (Substance Use Disorder) Counselor1053567297
  2. Jane BowenAddiction (Substance Use Disorder) Counselor1336648096
  3. Kent Chambers, LNHAStudent in an Organized Health Care Education/Training Program1952673956
  4. Michael EdwardsAddiction (Substance Use Disorder) Counselor1396116380
  5. Nacole ElmerAddiction (Substance Use Disorder) Counselor1427346485
  6. Lisa FosterAddiction (Substance Use Disorder) Counselor1861085086

Verify Barbara Diane Laymance 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 C058960718    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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Barbara Diane Laymance among 27,741 addiction (substance use disorder) counselor records in California

Barbara Diane Laymance, RAS, NCAC 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 2007, is newer than under 1% of them.

  • NPI issued2007 · under 1% of these records are older, 88% 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 updated2025 · 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).

56 addiction (substance use disorder) counselor records list a practice address in Oroville

They are 56 of the 916 NPPES records with a practice address in Oroville, 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 Oroville → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Melissa BelloliOroville, CA 959651053567297
  2. Hazel Faulkner, BHC,RASIOroville, CA 959651093877177
  3. Donald FultzOroville, CA 959651447423876
  4. Laura HammonsOroville, CA 959651275707218
  5. Larry HaydenOroville, CA 959651003944174
  6. Roy HutchinsonOroville, CA 959651932332400
  7. Ashly Lowenhaupt, BAOroville, CA 959651861648610
  8. Linda LuckOroville, CA 959651497819817

Common questions

What is Barbara Diane Laymance, RAS, NCAC's NPI number?

Barbara Diane Laymance, RAS, NCAC's National Provider Identifier (NPI) is 1588844666, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Diane Laymance, RAS, NCAC located?

The NPPES record lists a practice address at 2430 Bird St, Oroville, CA, 95965. Phone: (530) 538-7277. Providers update this record themselves, so call before visiting.

How can I verify Barbara Diane Laymance, RAS, NCAC's license?

NPPES lists California license number C058960718, 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.