NPPES file of Aug 9, 2026

Speech-Language Pathologist in Colorado

4,253 NPPES records list speech-language pathologist with a practice address in Colorado, 72 per 100,000 residents, the 13th highest rate of 51. Denver and Colorado Springs have the most; each record links to the provider's NPI and the Colorado license search. Page 86 of 86.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 235Z00000X · method

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

Denver has the most, 716

  1. Denver716
  2. Colorado Springs486
  3. Aurora280
  4. Greenwood Village196
  5. Boulder166

Speech-Language Pathologist records in Colorado

  1. Kathleen Zuehlsdorff, MS, CCC-SLPArvada, CO 800051205061603
  2. Mary Zurn, M.S., CCC-SLPEvergreen, CO 804391619115474
  3. Christine Zwolfer, CCC-SLPLouisville, CO 800271659711430

Source: CMS NPPES, primary taxonomy 235Z00000X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 13 of 51 per resident

  1. New Hampshire79
  2. West Virginia78
  3. Maryland73
  4. Colorado72
  5. Louisiana72
  6. South Dakota67
  7. 50 states and D.C.59

Source: CMS NPPES, primary taxonomy 235Z00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

3.1% of these records appear in a Medicare file, against 3.0% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Colorado3.1%
  2. United States3.0%

Speech-Language Pathologist records in Colorado, measured

  • In a Medicare file132 of 4,253 · 3.1% here, 3.0% nationally
  • In the CMS Doctors and Clinicians file168 · 4.0% here, 4.2% nationally
  • Not updated in five years or more1,926 · 45.3% here, 62.5% nationally
  • Median graduation year2017 · the 168 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 235Z00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,253 NPPES records list speech-language pathologist (235Z00000X) as their primary taxonomy with a practice address in Colorado: 72 per 100,000 residents against 59 nationally (50 states and D.C.). Denver has 716 of them (17%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Washington4,109
  2. Maryland4,509
  3. Arizona4,510
  4. Massachusetts3,980

States with a similar rate per 100,000

  1. Louisiana72.3
  2. South Dakota66.7
  3. West Virginia78.4
  4. North Carolina66.2

The largest states

  1. New York24,851
  2. Texas17,062
  3. California13,141
  4. Florida11,495
  5. Illinois10,224

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.