NPPES file of Aug 9, 2026

Ellen Marie Ledesma, MHS

Speech-Language Pathologist · Oswego, IL

Ellen Marie Ledesma, MHS is a speech-language pathologist with a practice address in Oswego, Illinois, and NPI 1750446142, issued on Dec 26, 2006. Check the license (Illinois 146.010079, as entered in NPPES) with the Illinois 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
1750446142
Name
Ellen Marie Ledesma
Credential
MHS
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
146.010079 IL
Self-reported in NPPES; status is on the state search
Practice location
470 Grape Vine Trl, Oswego, IL 60543
Phone
(630) 661-7253
Enumerated
Dec 26, 2006
Record last updated
Feb 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(855) 765-7549
Medicare enrollment
Enrolled (PECOS I20160217001170); 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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Also registered at 470 Grape Vine Trl

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

  1. Mark SmotzerSpeech-Language Assistant1699163451

Verify Ellen Marie Ledesma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 146.010079
    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 Illinois 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. Legacy Healthcare Services IncSt Charles, IL

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

Ellen Marie Ledesma among 10,224 speech-language pathologist records in Illinois

Ellen Marie Ledesma, MHS is one of 10,224 speech-language pathologist records with a practice address in Illinois. 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 95% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2008 · median 2015 among the 406 with a school on file
  • Record last updated2015 · 67% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 speech-language pathologist records list a practice address in Oswego

They are 52 of the 516 NPPES records with a practice address in Oswego, and 10,224 speech-language pathologist records in Illinois.

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

  1. Andria Baumgartner, MS CCC SLPOswego, IL 605431699814194
  2. Kristin Buddin, SLP/LOswego, IL 605431447389390
  3. Gretchen Byrd, M.S., CCC-SLP/LOswego, IL 605431366547911
  4. Kimberly Chiappini, MA, CCC-SLP/LOswego, IL 605431295882900
  5. Stacie Maddox, M.A., CCC-SLPOswego, IL 605431689767709
  6. Melissa Matson, MA CCC SLPOswego, IL 605431578668158
  7. Kelly Okel, M.S.Oswego, IL 605431306915855
  8. Melissa Paoletti, MHS CCCSLPOswego, IL 605431851496418

Common questions

What is Ellen Marie Ledesma, MHS's NPI number?

Ellen Marie Ledesma, MHS's National Provider Identifier (NPI) is 1750446142, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Marie Ledesma, MHS located?

The NPPES record lists a practice address at 470 Grape Vine Trl, Oswego, IL, 60543. Phone: (630) 661-7253. Providers update this record themselves, so call before visiting.

How can I verify Ellen Marie Ledesma, MHS's license?

NPPES lists Illinois license number 146.010079, as entered by the provider. Search the Illinois 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.