NPPES file of Aug 9, 2026

Kieu Balthasar, LCSW

Clinical Social Worker · Irvine, CA

Kieu Balthasar, LCSW is a clinical social worker with a practice address in Irvine, California, and NPI 1093439937, issued on Oct 3, 2022. Check the license (California 76413, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093439937
Name
Kieu Balthasar
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
76413 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
Oct 3, 2022
Record last updated
Oct 3, 2022
Fax
(714) 492-8264
Medicare enrollment
Enrolled (PECOS I20221103000789); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Jessica BonetteMarriage & Family Therapist1972679538
  2. Kimberly Dechellis, LMFTMarriage & Family Therapist1932637105
  3. Matthew Fleischman, M.A., LMFTMarriage & Family Therapist1891718334
  4. Heidi Headding, LMFTMarriage & Family Therapist1285913863
  5. Stephanie Rivera, FNPFamily Nurse Practitioner1740052471
  6. Catherine Thielen, PSYDClinical Psychologist1356551287

Verify Kieu Balthasar 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 76413
    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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Bills Medicare through one group practice

  1. Chiron Psychological IncYorba Linda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kieu Balthasar among 36,261 clinical social worker records in California

Kieu Balthasar, 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 2022, is newer than 81% of them.

  • NPI issued2022 · 81% of these records are older, 14% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2004 · median 2012 among the 4,008 with a school on file
  • Record last updated2022 · 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.

The 8 clinical social worker records with the nearest ZIP codes

  1. Lindsey Etheridge, LCSWIrvine, CA 926121477988848
  2. Susan Gonzales Crandall, LCSWIrvine, CA 926121144431214
  3. Jessica Hamilton, MSWIrvine, CA 926121871825257
  4. Lucy HanIrvine, CA 926121194150193
  5. Audrey Kapelinski, LCSWIrvine, CA 926121083921993
  6. Rebecca KindreichIrvine, CA 926121366869620
  7. Pravina Lal, LCSWIrvine, CA 926121770834822
  8. Gracie Lu, LCSWIrvine, CA 926121225381668

Common questions

What is Kieu Balthasar, LCSW's NPI number?

Kieu Balthasar, LCSW's National Provider Identifier (NPI) is 1093439937, issued on Oct 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kieu Balthasar, 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 Kieu Balthasar, LCSW's license?

NPPES lists California license number 76413, 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.