NPPES file of Aug 9, 2026

Doctors and health care providers in St Charles, IL

1,113 individual NPPES records list a practice address in St Charles, 40th of 541 Illinois cities. The largest group is behavior technician: 117, 11% of the city's records, against 4% across Illinois. Page 20 of 23.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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

The 8 largest groups in St Charles

  1. Behavior Technician117
  2. Clinical Social Worker93
  3. Speech-Language Pathologist84
  4. Professional Counselor74
  5. Chiropractor55
  6. Physical Therapist49
  7. Mental Health Counselor44
  8. Pharmacist38

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

St Charles in Illinois

  • Rank in Illinois40th of 541 cities by records
  • Share of the state0.5% of Illinois's records
  • Specialties present25 or more taxonomy codes
  • Top three groups26.4% of all records

Compared with Illinois as a whole, St Charles has 4.1× the state's share of pediatric occupational therapist records and 0.42× its share of family nurse practitioner records.

Providers in St Charles, alphabetically

  1. Ashley StalterDevelopmental Therapist1164305637
  2. Shannon StarrStudent in an Organized Health Care Education/Training Program1992651202
  3. Timothy Staudacher, M.D.Anesthesiology Physician1740342435
  4. Stephanie StavropoulosClinical Social Worker1023634490
  5. Tiffany SteinbrakerSpeech-Language Pathologist1558681270
  6. Jennie Stellato, MOTR/LOccupational Therapist1396263091
  7. Stephanie Strieker, LSWClinical Social Worker1427628379
  8. Jamie StrockSpeech-Language Pathologist1114492311
  9. Tamara Suarez, PSY.D.Clinical Psychologist1174535702
  10. Eileen Sullivan, LCSWClinical Social Worker1174045827
  11. Paige SuwanskiSpeech-Language Pathologist1164947198
  12. Shelley Swanson, MA, CCCSLPLSpeech-Language Pathologist1265589709
  13. Cameron SweeneyPharmacist1316631344
  14. Brenda SypoltMental Health Counselor1740609312
  15. Laura Tagle, MDInternal Medicine Physician1053440008
  16. Nile Tallman, LCPCProfessional Counselor1477944676
  17. Jenny Tan, MDPediatrics Physician1477513208
  18. Nicholas Tapas, M.D.Pediatrics Physician1730144171
  19. Jenna Tarran, DPTPhysical Therapist1003456856
  20. Loyal TateBehavior Technician1154127231
  21. Rosemary Taylor, PH.D.Clinical Psychologist1194839233
  22. Laura Ternand-Hughes, PSY.D.Clinical Psychologist1598072241
  23. Brayden Teuscher, DMDDentist1164149829
  24. Jameson Teuscher, DMDGeneral Practice Dentistry1578456851
  25. Michael Teuscher, D.D.S.Dentist1194981092
  26. Riley Teuscher, DMDGeneral Practice Dentistry1275157372
  27. Jayesh Thakkar, M.D.Family Medicine Physician1780778977
  28. Jonathan Thao, DCChiropractor1922807098
  29. Alexandra Thedford, RBTBehavior Technician1508678004
  30. Steve Thiel, PA-CPhysician Assistant1386705085
  31. Catherine Thomas, M.D.Internal Medicine Physician1295785756
  32. Melanie Thomas, MSMarriage & Family Therapist1023183233
  33. Nanette ThomasCounselor1275219933
  34. Rayana ThomasBehavior Technician1306722012
  35. James Thompson, MDEmergency Medicine Physician1770963415
  36. Lindsey Thompson, M.S.Speech-Language Pathologist1417008814
  37. Melissa Thompson, LCSWClinical Social Worker1427285550
  38. Haley Thomson, MA CF-SLPSpeech-Language Pathologist1588146757
  39. Chasity ThorneBehavior Technician1154020857
  40. Eileen Thorp, OTR/LPediatric Occupational Therapist1104172022
  41. Rebecca Thulson, MSN, FNP-BCFamily Nurse Practitioner1518383629
  42. Holly Timmreck, PT, DPTPediatric Physical Therapist1780857664
  43. Logan TinsleyBehavior Technician1205796315
  44. Steven Tirabasso, D.C.Chiropractor1932244456
  45. Sheila TitoOccupational Therapy Assistant1881276764
  46. Paulette Toburen, PSY.D.Clinical Psychologist1871609867
  47. Bret Todd, M.A.Speech-Language Pathologist1942433347
  48. Kelly Todd, DPTPhysical Therapist1285778340
  49. Karlen TolksonSpeech-Language Pathologist1588869044
  50. Bradford Tracy, P.T.Physical Therapist1487854014

The largest Illinois cities

  1. Chicago63,379
  2. Springfield4,997
  3. Naperville4,634
  4. Peoria4,621
  5. Evanston4,013

All of Illinois →

How to read this directory

St Charles, Illinois appears in the CMS National Plan and Provider Enumeration System with 1,113 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in St Charles - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a St Charles practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in St Charles is weighted toward Behavior Technician (117 clinicians, followed by Clinical Social Worker with 93 and Speech-Language Pathologist with 84). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Illinois's population, St Charles reports roughly 8.9 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of Illinois's most common specialties, Internal Medicine Physician is the most prominent one with no provider currently listing a St Charles practice address, a coverage gap St Charles patients typically fill by traveling to a larger nearby hub.

For St Charles patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in St Charles, IL?

There are 1,113 registered healthcare providers in St Charles, IL, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in St Charles?

The most common specialties in St Charles are Behavior Technician, Clinical Social Worker, Speech-Language Pathologist, Professional Counselor, Chiropractor. Behavior Technician has the most providers with 117.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.