Kristen Ivers Williams, LCSW
Clinical Social Worker · Irvine, CA
Kristen Ivers Williams, LCSW is a clinical social worker with a practice address in Irvine, California, and NPI 1265775589, issued on Apr 4, 2013. Check the license (California LCSW22291, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristen Ivers Williams
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- LCSW22291 CA
LCS22291 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19742 Macarthur Blvd Ste 100, Irvine, CA 92612
- Phone
- (714) 646-8034
- Enumerated
- Apr 4, 2013
- Record last updated
- Oct 19, 2023
- Fax
- (714) 492-8264
- Medicare enrollment
- Enrolled (PECOS I20231031003531); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 19742 Macarthur Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kieu Balthasar, LCSWClinical Social Worker1093439937
- Jessica BonetteMarriage & Family Therapist1972679538
- Kimberly Dechellis, LMFTMarriage & Family Therapist1932637105
- Matthew Fleischman, M.A., LMFTMarriage & Family Therapist1891718334
- Heidi Headding, LMFTMarriage & Family Therapist1285913863
- Stephanie Rivera, FNPFamily Nurse Practitioner1740052471
Verify Kristen Ivers Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCSW22291Check 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
- Chiron Psychological IncYorba Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Ivers Williams among 36,261 clinical social worker records in California
Kristen Ivers Williams, 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 2013, is newer than 42% of them.
- NPI issued2013 · 42% of these records are older, 55% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2000 · median 2012 among the 4,008 with a school on file
- Record last updated2023 · 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).
144 clinical social worker records list a practice address in Irvine
They are 144 of the 7,778 NPPES records with a practice address in Irvine, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Irvine → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Lindsey Etheridge, LCSWIrvine, CA 926121477988848
- Susan Gonzales Crandall, LCSWIrvine, CA 926121144431214
- Jessica Hamilton, MSWIrvine, CA 926121871825257
- Lucy HanIrvine, CA 926121194150193
- Audrey Kapelinski, LCSWIrvine, CA 926121083921993
- Rebecca KindreichIrvine, CA 926121366869620
- Pravina Lal, LCSWIrvine, CA 926121770834822
- Gracie Lu, LCSWIrvine, CA 926121225381668
Common questions
What is Kristen Ivers Williams, LCSW's NPI number?
Kristen Ivers Williams, LCSW's National Provider Identifier (NPI) is 1265775589, issued on Apr 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Ivers Williams, LCSW located?
The NPPES record lists a practice address at 19742 Macarthur Blvd Ste 100, Irvine, CA, 92612. Phone: (714) 646-8034. Providers update this record themselves, so call before visiting.
How can I verify Kristen Ivers Williams, LCSW's license?
NPPES lists California license number LCSW22291, 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.