NPPES file of Aug 9, 2026

Grace Edith Katzenstein, LCSW

Mental Health Counselor · Santa Ana, CA

Grace Edith Katzenstein, LCSW is a mental health counselor with a practice address in Santa Ana, California, and NPI 1942392345, issued on Sep 29, 2006. Check the license (California LCS12411, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1942392345
Name
Grace Edith Katzenstein
Credential
LCSW
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
LCS12411 CA
Self-reported in NPPES; status is on the state search
Practice location
1504 Brookhollow Dr, Santa Ana, CA 92705
Phone
(714) 432-8584
Enumerated
Sep 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest mental health counselor records → All 28,617 in California → Look up another NPI →

Also registered at 1504 Brookhollow Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cynthia Allen ReynoldsCounselor1730370685
  2. Jenny Alvarenga, BAMental Health Counselor1336326578
  3. Martha ArmendarizCounselor1558526863
  4. Alvaro CajinaCounselor1811187404
  5. Samantha Fallon, BACounselor1548455801
  6. Alexandra GormanSocial Worker1063745966

Verify Grace Edith Katzenstein 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 LCS12411    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

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Grace Edith Katzenstein among 28,617 mental health counselor records in California

Grace Edith Katzenstein, LCSW is one of 28,617 mental health counselor records with a practice address in California. 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 96% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2007 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

684 mental health counselor records list a practice address in Santa Ana

They are 684 of the 8,904 NPPES records with a practice address in Santa Ana, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 28,617 in California → Every provider in Santa Ana → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Rose Becerra, BASanta Ana, CA 927051518055185
  2. Kailee CarusoSanta Ana, CA 927051104919778
  3. Rebekah CheonSanta Ana, CA 927051851489652
  4. Dailene CoadSanta Ana, CA 927051871681502
  5. Jenny DanielssonSanta Ana, CA 927051376631929
  6. Rachel Langsam, B.A.Santa Ana, CA 927051407949340
  7. Maureen Mesa, PSY.D.Santa Ana, CA 927051942259858
  8. Alexis MoultonSanta Ana, CA 927051962593616

Common questions

What is Grace Edith Katzenstein, LCSW's NPI number?

Grace Edith Katzenstein, LCSW's National Provider Identifier (NPI) is 1942392345, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Grace Edith Katzenstein, LCSW located?

The NPPES record lists a practice address at 1504 Brookhollow Dr, Santa Ana, CA, 92705. Phone: (714) 432-8584. Providers update this record themselves, so call before visiting.

How can I verify Grace Edith Katzenstein, LCSW's license?

NPPES lists California license number LCS12411, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.