Katherine M. Barnes, C.A.T.C
Addiction (Substance Use Disorder) Counselor · Hayward, CA
Katherine M. Barnes, C.A.T.C is an addiction (substance use disorder) counselor with a practice address in Hayward, California, and NPI 1104206747, issued on Jun 8, 2015. Check the license (California 01-93, 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.
- Name
- Katherine M. Barnes
- Credential
- C.A.T.C
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 01-93 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 Fletcher LN, Hayward, CA 94544
- Phone
- (510) 274-8300
- Enumerated
- Jun 8, 2015
- Record last updated
- Dec 2, 2022
- Fax
- (510) 274-8295
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →
Also registered at 795 Fletcher LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sharleen AhnCounselor1760912927
- Citlaly AnayaNurse's Aide1427707298
- William BaisAddiction (Substance Use Disorder) Counselor1467880435
- Theresa Blaylock, MPAAddiction (Substance Use Disorder) Counselor1962844027
- Rudy CejaAddiction (Substance Use Disorder) Counselor1740668656
Verify Katherine M. Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 01-93Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katherine M. Barnes among 27,741 addiction (substance use disorder) counselor records in California
Katherine M. Barnes, C.A.T.C 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 updated2022 · 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).
195 addiction (substance use disorder) counselor records list a practice address in Hayward
They are 195 of the 3,993 NPPES records with a practice address in Hayward, 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 Hayward → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Lauri BoyerHayward, CA 945441962613273
- Debra ByrdHayward, CA 945441336340256
- Philip ChavarinHayward, CA 945441821299736
- Brad CordeiroHayward, CA 945441659572568
- James CrossleyHayward, CA 945441134320047
- Henry DillardHayward, CA 945441265617195
- David GilmoreHayward, CA 945441285835199
- Patricia HartHayward, CA 945441508077868
Common questions
What is Katherine M. Barnes, C.A.T.C's NPI number?
Katherine M. Barnes, C.A.T.C's National Provider Identifier (NPI) is 1104206747, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine M. Barnes, C.A.T.C located?
The NPPES record lists a practice address at 795 Fletcher LN, Hayward, CA, 94544. Phone: (510) 274-8300. Providers update this record themselves, so call before visiting.
How can I verify Katherine M. Barnes, C.A.T.C's license?
NPPES lists California license number 01-93, 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.
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.