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 10 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. Erin Jacobsen, BCBABehavior Analyst1336906296
  2. Saima Jalal, M.D.Ophthalmology Physician1962599829
  3. Marissa Jama, DOInternal Medicine Physician1962146258
  4. Mykenzie James, DPTPhysical Therapist1649125907
  5. Douglas Janis, D.D.S.Pediatric Dentistry1861666331
  6. Maegan Jenkins, PSY.D.Clinical Psychologist1265792097
  7. Jacquelyn Jennings, LCSWClinical Social Worker1447197769
  8. Victoria JensenFamily Nurse Practitioner1407432180
  9. Kimberly JohansonRegistered Nurse1487434296
  10. Brooke Johnson, PA-CPhysician Assistant1205292059
  11. Courtney JohnsonBehavior Technician1639989627
  12. Elliot Johnson, PA-CSurgical Physician Assistant1780093187
  13. Evan Johnson, M.D.Dermatology Physician1407005218
  14. Gregory Johnson, M.S., CCC-SLPSpeech-Language Pathologist1144532599
  15. Katie Johnson, DC, LACChiropractor1588993497
  16. Lawrence Johnson, M.D.Dermatology Physician1114015351
  17. Madison Johnson, RBTBehavior Technician1568261220
  18. Mary JohnsonPharmacotherapy Pharmacist1467868414
  19. Britt Johnson-Dunlop, RBT-18-60264Behavior Analyst1053897025
  20. Janette Jones, APRNFamily Nurse Practitioner1831108208
  21. Alex Joseph, MBBS, PA-CPhysician Assistant1669923280
  22. James Judge, D.C.Chiropractor1114147436
  23. Natalie Julian, BA OF SCIENCECase Manager/Care Coordinator1861637977
  24. Susan JusticeBehavior Technician1881573244
  25. Yolanda Kaczmarczyk, LPCProfessional Counselor1689322745
  26. Madeleine KadamSocial Worker1447913769
  27. Hena KahrimanovicPharmacist1437875523
  28. Sandra Kakacek, MS ED; LCPCProfessional Counselor1619932324
  29. Tiffany Kalita, FPA, APRN, FNP-BCNurse Practitioner1093142754
  30. Salman KarbhariGeneral Practice Dentistry1912735556
  31. Elba Karim, M.A.Professional Counselor1508007337
  32. Faith Karpowicz, RBTBehavior Technician1013757913
  33. Tiffany Kasper, LCSWClinical Social Worker1497399943
  34. Kristen Kauke, LCSWClinical Social Worker1992951529
  35. Amber KayClinical Social Worker1407481963
  36. Naheed Kazmi, PHARM, D.Pharmacist1649395294
  37. Melanie Keane, SPTSpeech-Language Pathologist1205977279
  38. Edmund Kearney, PH.D.Clinical Child & Adolescent Psychologist1538282199
  39. Lisa KearneySpeech-Language Pathologist1235861659
  40. Albert Keating, PH.D., LCPCProfessional Counselor1730395211
  41. Courtney Kelly, BCBABehavior Analyst1255902433
  42. Daniel Kelly, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1831470715
  43. Mary Kelly, PTPediatric Physical Therapist1073590212
  44. Margaret KempffBehavior Technician1609418664
  45. Emily Kendall, LCPCProfessional Counselor1417627407
  46. Katelyn KendzioraBehavior Technician1568168912
  47. Jamie Kentgen, OTR/LOccupational Therapist1598427080
  48. Rodina KhanLicensed Practical Nurse1497431951
  49. Sandy KhongRegistered Nurse1952292757
  50. Renee Kiel, LCSWClinical Social Worker1023802964

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.