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 22 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. Valeria WalshCounselor1396303160
  2. Jonathan Wang, M.D.Orthopaedic Surgery Physician1376864884
  3. Edward Ward, MDFamily Medicine Physician1720013766
  4. Brittany Watkins, LCPCProfessional Counselor1518257369
  5. John Wazio, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1053660035
  6. Jimmie Weathers, D.C.Sports Physician Chiropractor1306989884
  7. Madison WebbBehavior Technician1851175244
  8. Emily Weiberg, LMTMassage Therapist1225816796
  9. Ingo Weigold, LPCMental Health Counselor1174124747
  10. Roberta Weiner, LCPCProfessional Counselor1053437624
  11. Perry Weingart, PSY.D.Clinical Psychologist1851643555
  12. Kathleen Weisser, L.C.S.W.Clinical Social Worker1346328267
  13. Ann Weller, PSYDChild & Adolescent Psychiatry Physician1194020560
  14. Jessica Wells, PTPhysical Therapist1124712088
  15. Kelly Wells, D.C., CSOM, DIPBBMChiropractor1962564211
  16. Amanda Wendel, M.D.Dermatology Physician1699973131
  17. Lucas Wendel, M.D.Ophthalmology Physician1427256601
  18. Carolyn Werneke, PSY.D.School Psychologist1952317588
  19. Dana Werner, ED.S., MSW, LSWSocial Worker1720807381
  20. John Wett, M.S., LMFTMarriage & Family Therapist1437544798
  21. Daniel Wheeler, DPTPhysical Therapist1083274948
  22. Brian WhiteBehavior Technician1912474305
  23. John White, M.D.Surgery Physician1811996713
  24. Katherine Wiacek, PT, DPTPhysical Therapist1578072005
  25. Autumn Wiborg, LPCMental Health Counselor1396426185
  26. Amy Wildman, LCSWMental Health Counselor1982003851
  27. Tracy WilksDevelopmental Therapist1912405366
  28. Jacqueline Williams, D.C.Chiropractor1013048537
  29. Rhonda Williams, M.D.Pediatrics Physician1801879465
  30. Tamika Williams, ODOptometrist1235376039
  31. David Williamson, D.C.Chiropractor1720025927
  32. Samuel Wilson, PT, DPTPhysical Therapist1821422809
  33. Whitney Wilson, ALMFTMarriage & Family Therapist1427868660
  34. Leigh Windschitl, DCChiropractor1205300167
  35. Krysta Winters, PSY.D.Clinical Psychologist1508870452
  36. Edith WirtzMental Health Counselor1023488640
  37. Nicole Witte, MDObstetrics & Gynecology Physician1215936729
  38. Aaron Witz, LMTMassage Therapist1407414964
  39. Brianna WoheelSocial Worker1386510394
  40. Shauna Wolf, MSW, LCSWClinical Social Worker1861153702
  41. Celina Wollak, LCSWClinical Social Worker1760907109
  42. Jeffrey Wong, D.C.Orthopedic Chiropractor1508866500
  43. Autumn WoukBehavior Technician1538814033
  44. Chelsea Wright, LCSWClinical Social Worker1225466576
  45. Salam Yamak, PA-CPhysician Assistant1265035927
  46. Roberta Yatchak, LCSWClinical Social Worker1326790064
  47. Amy Yehoshua, L.ACAcupuncturist1518104116
  48. Brittany YelnickClinical Social Worker1831884634
  49. Angie Yong, MAMental Health Counselor1790400869
  50. Lawrence Yoo, MDInternal Medicine Physician1912167669

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.