NPPES file of Aug 9, 2026

Marissa Sloane Nguyen, MA, CCC-SLP

Speech-Language Pathologist · Dayton, OH

Marissa Sloane Nguyen, MA, CCC-SLP is a speech-language pathologist with a practice address in Dayton, Ohio, and NPI 1508543026, issued on Jun 28, 2023. Check the license (Ohio SP.15384, as entered in NPPES) with the Ohio 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
1508543026
Name
Marissa Sloane Nguyen
Credential
MA, CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SP.15384 OH
Self-reported in NPPES; status is on the state search
Practice location
1222 S Patterson Blvd, Dayton, OH 45402
Phone
(937) 496-2622
Enumerated
Jun 28, 2023
Record last updated
Jun 28, 2023
Medicare enrollment
Enrolled (PECOS I20230721000446); accepts Medicare assignment
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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8 nearest speech-language pathologist records → All 7,643 in Ohio → Look up another NPI →

Also registered at 1222 S Patterson Blvd

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

  1. Stewart Adam, MDOtolaryngology Physician1225009517
  2. Abdulla Adib, MDOtolaryngology Physician1891765103
  3. Philip Anloague, MPTPhysical Therapist1336127703
  4. Obed Asiedu, PHARMD,AAHIVP,BCACPPharmacist1518419050
  5. Atul Balwally, MDOtolaryngology Physician1760461073
  6. Joaquin Barrios, P.T.Orthopedic Physical Therapist1316184294

Verify Marissa Sloane Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license SP.15384    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 Ohio 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. Southwest Ohio Ent Specialists IncDayton, OH

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

Marissa Sloane Nguyen among 7,643 speech-language pathologist records in Ohio

Marissa Sloane Nguyen, MA, CCC-SLP is one of 7,643 speech-language pathologist records with a practice address in Ohio. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.

  • NPI issued2023 · 84% of these records are older, 11% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2022 · median 2014 among the 288 with a school on file
  • Record last updated2023 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

173 speech-language pathologist records list a practice address in Dayton

They are 173 of the 12,431 NPPES records with a practice address in Dayton, and 7,643 speech-language pathologist records in Ohio.

All 7,643 in Ohio → Every provider in Dayton → Speech-Language Pathologist nationwide →

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Eileen BarryDayton, OH 454021073932802
  2. Loretta BondDayton, OH 454021295151280
  3. Amy ClauserDayton, OH 454021235439076
  4. Marissa DibenedettoDayton, OH 454021083014765
  5. Pamela FisherDayton, OH 454021164848073
  6. Stephanie Hartman, M.S., SLPDayton, OH 454021851718472
  7. Sheila HeflinDayton, OH 454021881006963
  8. Jenniffer Hrovat, MS, CCC-SLPDayton, OH 454021295965663

Common questions

What is Marissa Sloane Nguyen, MA, CCC-SLP's NPI number?

Marissa Sloane Nguyen, MA, CCC-SLP's National Provider Identifier (NPI) is 1508543026, issued on Jun 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Sloane Nguyen, MA, CCC-SLP located?

The NPPES record lists a practice address at 1222 S Patterson Blvd, Dayton, OH, 45402. Phone: (937) 496-2622. Providers update this record themselves, so call before visiting.

How can I verify Marissa Sloane Nguyen, MA, CCC-SLP's license?

NPPES lists Ohio license number SP.15384, as entered by the provider. Search the Ohio 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.

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.