Kathy R. Chestnut, LCSW
Clinical Social Worker · Greenbrae, CA
Kathy R. Chestnut, LCSW is a clinical social worker with a practice address in Greenbrae, California, and NPI 1063509560, issued on Oct 6, 2006. Check the license (California LCS17129, 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
- Kathy R. Chestnut
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS17129 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Bon Air RD, Greenbrae, CA 94904
- Phone
- (415) 499-6805
- Enumerated
- Oct 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 250 Bon Air RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jory Adam, PA-CSurgical Physician Assistant1922269521
- Samuel Adams, MDHospitalist Physician1497785034
- Barbara Addleman, RNRegistered Nurse1053551267
- Linda Alexander, RNPsychiatric/Mental Health Registered Nurse1205589405
- Maxwell AlikinneyCounselor1538668728
Verify Kathy R. Chestnut in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS17129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Kathy R. Chestnut among 36,261 clinical social worker records in California
Kathy R. Chestnut, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2007 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 clinical social worker records list a practice address in Greenbrae
They are 35 of the 727 NPPES records with a practice address in Greenbrae, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in Greenbrae → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Leora Barzell-Weber, LCSWGreenbrae, CA 949041326118399
- Austin Brink, LCSWGreenbrae, CA 949041366539850
- Marcella Brink, PH.D.Greenbrae, CA 949041477765998
- Lawrence Cunniffe, L.C.S.W.Greenbrae, CA 949041295835106
- Kathleen DevittGreenbrae, CA 949041578699492
- Ilene Dillon, M.S.W.Kentfield, CA 949041932245701
- Samantha Fargeon, LCSWGreenbrae, CA 949041770791931
- Sarah Foster, LCSWGreenbrae, CA 949041104092576
Common questions
What is Kathy R. Chestnut, LCSW's NPI number?
Kathy R. Chestnut, LCSW's National Provider Identifier (NPI) is 1063509560, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathy R. Chestnut, LCSW located?
The NPPES record lists a practice address at 250 Bon Air RD, Greenbrae, CA, 94904. Phone: (415) 499-6805. Providers update this record themselves, so call before visiting.
How can I verify Kathy R. Chestnut, LCSW's license?
NPPES lists California license number LCS17129, 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.