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 11 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. Laura King, PTPhysical Therapist1790871192
  2. Karina Kinlen, MSOTR/LOccupational Therapist1891036463
  3. Wayne Kinzler, DDSGeneral Practice Dentistry1982793105
  4. Bess KirchBehavior Technician1124978515
  5. Layne Kirch, LCSWClinical Social Worker1790133056
  6. Jennifer Kirchhoff, RNAddiction (Substance Use Disorder) Registered Nurse1497535975
  7. Steven Kirk, PHARMDPharmacist1235419706
  8. Olivia Kismartoni, DVM, MPHVeterinarian1295008514
  9. Angela Kisner, PTPhysical Therapist1053419325
  10. Seong Kitsos, CPMMidwife1023792116
  11. Kyrie Kleinfelter, DCChiropractor1467492199
  12. David Klemm, LPCProfessional Counselor1053808584
  13. Heather KlemmCounselor1174804207
  14. Catarina KloskowskiBehavior Technician1114874153
  15. Sarah Knighton, APRN, CNPNurse Practitioner1336918069
  16. Martha Knop, RPHPharmacist1639290133
  17. Kalen Knull, P.T.Physical Therapist1528392552
  18. William Kobak, M.D.Gynecology Physician1023007887
  19. Heather Kochen, LCPCProfessional Counselor1538550298
  20. Jasbir Kocher, D.C.Chiropractor1649527003
  21. Elizabeth KoenenPharmacist1346650207
  22. Erin Koenig, MPTPhysical Therapist1801937784
  23. Karolyn Koenig, MPTPhysical Therapist1285776583
  24. Gary Kohn, MDPreventive Medicine/Occupational Environmental Medicine Physician1962038679
  25. Martin Kolinski, DDSPeriodontics1083705701
  26. Katey Kollereb, LCSWClinical Social Worker1558024125
  27. Alexandra KomarSpeech-Language Pathologist1609345420
  28. Jill KombrinkDevelopmental Therapist1174725139
  29. Joanna KonopkaOccupational Therapy Assistant1952448110
  30. Victoria KorpitzClinical Social Worker1952172033
  31. Bethany KosekProfessional Counselor1851000269
  32. Kristen Kostecki, CCC-SLPSpeech-Language Pathologist1518537885
  33. Tetyana Kostyshyna, PSYD, LCPC, LSOE/TPClinical Psychologist1083168041
  34. Jayesh Kothari, M.D.Neonatal-Perinatal Medicine Physician1821024795
  35. Lindsey Kovalik Bianchini, LCSW, LISW-CPClinical Social Worker1477022648
  36. Elizabeth Kramer, RNRegistered Nurse1285482927
  37. Michelle Kramer, ATCAthletic Trainer1043264922
  38. Conner Krause, DCChiropractor1225790959
  39. Abigail Kreibich, M.A., CCC-SLPSpeech-Language Pathologist1902214745
  40. Nancy KrtekClinical Social Worker1013040005
  41. Brittany Krucek, BCBABehavior Analyst1235713355
  42. Allison Krupa, CCC-SLPSpeech-Language Pathologist1346499068
  43. Daniel Kruse, MDFamily Medicine Physician1992736284
  44. Mark Kruszewski, APN, CNPPediatric Nurse Practitioner1255625281
  45. Ryan Kuebler, D.M.D.Dentist1740733138
  46. Kenneth Kuhn, MS, LMFTMarriage & Family Therapist1487640454
  47. Nancy Kuhn, L.M.F.T., L.C.P.C.Marriage & Family Therapist1043304603
  48. Dave KunikPharmacist1750977443
  49. Andrew KuplicPhysical Therapist1639959752
  50. Madeline Kwiatkowski, DOFamily Medicine Physician1245319979

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.