NPPES file of Aug 9, 2026

Janet Olson, PH.D.

Speech-Language Pathologist · Dekalb, IL

Janet Olson, PH.D. is a speech-language pathologist with a practice address in Dekalb, Illinois, and NPI 1962553842, issued on Jan 16, 2007. Check the license (Illinois 146006371, as entered in NPPES) with the Illinois 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
1962553842
Name
Janet Olson
Credential
PH.D.
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
146006371 IL
147000707 IL
Self-reported in NPPES; status is on the state search
Practice location
3100 Sycamore RD, Dekalb, IL 60115
Phone
(815) 753-1481
Enumerated
Jan 16, 2007
Record last updated
Aug 24, 2010 (not updated in 16 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 speech-language pathologist records → All 10,224 in Illinois → Look up another NPI →

Also registered at 3100 Sycamore RD

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

  1. Danica Billingsly, AU.D.Audiologist1437168150
  2. Mary Jo Blaschak, PT, PHDPhysical Therapist1538300983
  3. Maria Castillo, PTPhysical Therapist1093188088
  4. Nicole Chapman, FNP-CFamily Nurse Practitioner1013804327
  5. Mariah Cheyney, AU.D.Audiologist1427429976
  6. Danai Fannin, PHD, M.A., SLPSpeech-Language Pathologist1891052551

Verify Janet Olson 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 146006371    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

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Janet Olson among 10,224 speech-language pathologist records in Illinois

Janet Olson, PH.D. 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 not. Its NPI, issued in 2007, is newer than 5% of them.

  • NPI issued2007 · 5% of these records are older, 84% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2010 · 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).

38 speech-language pathologist records list a practice address in Dekalb

They are 38 of the 936 NPPES records with a practice address in Dekalb, and 10,224 speech-language pathologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 10,224 in Illinois → Every provider in Dekalb → Speech-Language Pathologist nationwide →

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

  1. Anne Davidson, M.A., CCC-SLPDekalb, IL 601151841380987
  2. Brian Gavin, CCC-SLPDekalb, IL 601151235315748
  3. Pamela Hadley, PH.D., CCC-SLPDekalb, IL 601151982778510
  4. Jennifer Heinisch, MA, CCC-SLPDekalb, IL 601151689764177
  5. Sharon Hollister, M.A.Dekalb, IL 601151720153612
  6. Bethany Kisner-Crosby, MA-SLP-CCC-LDekalb, IL 601151518096833
  7. Jamie Mayer, PH.D.Dekalb, IL 601151679714026
  8. Sherrill Morris, CCC-SLPDekalb, IL 601151609955590

Common questions

What is Janet Olson, PH.D.'s NPI number?

Janet Olson, PH.D.'s National Provider Identifier (NPI) is 1962553842, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janet Olson, PH.D. located?

The NPPES record lists a practice address at 3100 Sycamore RD, Dekalb, IL, 60115. Phone: (815) 753-1481. Providers update this record themselves, so call before visiting.

How can I verify Janet Olson, PH.D.'s license?

NPPES lists Illinois license number 146006371, 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. 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.