Registry data as of Aug 27, 2026

Marissa Zoss, SLPA

Speech-Language Assistant · Mission Viejo, CA

Marissa Zoss, SLPA is a speech-language assistant with a practice address in Mission Viejo, California, and NPI 1194007393, issued on Sep 13, 2011. Check the license (California 598, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194007393
Name
Marissa Zoss
Credential
SLPA
Primary taxonomy
Speech-Language Assistant 2355S0801X
License number
598 CA
Self-reported in NPPES; status is on the state search
Practice location
23361 Madero, Mission Viejo, CA 92691
Phone
(949) 581-8239
Enumerated
Sep 13, 2011
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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Also registered at 23361 Madero

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

  1. Susan Arredondo, SLPASpeech-Language Assistant1073897518
  2. Paula Bechky-KowarskySpeech-Language Assistant1548514599
  3. Robyn Belz, M.A., CCC-SLPSpeech-Language Pathologist1245307859
  4. Russell Brown, M.S. CCC-SLPSpeech-Language Pathologist1083781603
  5. Erica Buday, M.A., SLPSpeech-Language Pathologist1942402631
  6. Carolyn Erratt, M.A., SLPSpeech-Language Pathologist1023215431

Verify Marissa Zoss 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 598
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Speech-Language Assistant providers in California

There are 2,575 speech-language assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other speech-language assistant records in California

  1. Raja AbbasLos Angeles, CA1982482501
  2. Thessa Abellera, SLPAReseda, CA1023628757
  3. Gabriella Abramson, CCC-SLPASan Diego, CA1558109983
  4. Jezika AbrewOntario, CA1669143426
  5. Ula AbsulioEncino, CA1760863815
  6. Escarlet AcabalVan Nuys, CA1396402988
  7. Elizabeth AccomandoRiverside, CA1467170852
  8. Eva AcevedoModesto, CA1962392647
  9. John AcevedoFontana, CA1871228106
  10. Jennifer AcostaEncino, CA1679817407

Common questions

What is Marissa Zoss, SLPA's NPI number?

Marissa Zoss, SLPA's National Provider Identifier (NPI) is 1194007393, issued on Sep 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Zoss, SLPA located?

The NPPES record lists a practice address at 23361 Madero, Mission Viejo, CA, 92691. Phone: (949) 581-8239. Providers update this record themselves, so call before visiting.

How can I verify Marissa Zoss, SLPA's license?

NPPES lists California license number 598, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.