Nancy O'Neil, LCSW
Clinical Social Worker · Pleasant Hill, CA
Nancy O'Neil, LCSW is a clinical social worker with a practice address in Pleasant Hill, California, and NPI 1598070575, issued on Aug 13, 2010. Check the license (California 26611, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy O'Neil
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 26611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 81 Gregory Lane, Pleasant Hill, CA 94523
- Phone
- (925) 891-9011
- Enumerated
- Aug 13, 2010
- Record last updated
- Aug 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250818003951); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Verify Nancy O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Psych Strategies Inc A Psychological CorpSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy O'Neil among 36,261 clinical social worker records in California
Nancy O'Neil, 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. Its NPI, issued in 2010, is newer than 31% of them.
- NPI issued2010 · 31% of these records are older, 66% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2007 · median 2012 among the 4,008 with a school on file
- Record last updated2012 · 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).
37 clinical social worker records list a practice address in Pleasant Hill
They are 37 of the 843 NPPES records with a practice address in Pleasant Hill, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Pleasant Hill → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Ellen Ames, LCSWPleasant Hill, CA 945231144384546
- Linda Bily, LCSWPleasant Hill, CA 945231104905546
- Elisabeth Callahan, LCSWPleasant Hill, CA 945231548453756
- Jacqueline Crawford, LCSWPleasant Hill, CA 945231801963244
- April Doster, LCSWPleasant Hill, CA 945231265596514
- Lars Eriksson, LCSWPleasant Hill, CA 945231164605739
- Patrice Gandek, MSWPleasant Hill, CA 945231285799635
- Shatae Jones, MASTERS SOCIAL WORKPleasant Hill, CA 945231063612745
Common questions
What is Nancy O'Neil, LCSW's NPI number?
Nancy O'Neil, LCSW's National Provider Identifier (NPI) is 1598070575, issued on Aug 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nancy O'Neil, LCSW located?
The NPPES record lists a practice address at 81 Gregory Lane, Pleasant Hill, CA, 94523. Phone: (925) 891-9011. Providers update this record themselves, so call before visiting.
How can I verify Nancy O'Neil, LCSW's license?
NPPES lists California license number 26611, 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. Medicare files from data.cms.gov. 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.