Registry data as of Aug 27, 2026

Doctors and health care providers in St Charles, IL

1,113 individual NPPES records list a St Charles practice address, 40th of 541 Illinois cities. The largest group is behavior technician: 122, 11% of the city's records, against 4% across Illinois.

CMS NPPES registry, loaded Aug 27, 2026 · method · Verify with CMS →

Compiled from official public sources by the editorial process.

The 8 largest groups in St Charles

  1. Behavior Technician122
  2. Clinical Social Worker90
  3. Speech-Language Pathologist84
  4. Professional Counselor66
  5. Chiropractor52
  6. Physical Therapist49
  7. Mental Health Counselor47
  8. Occupational Therapist38

Source: CMS NPPES primary taxonomy, loaded Aug 27, 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 groups26.6% of all records
  • Behavior Technician rank11th of the 10 Illinois cities with the most

Compared with Illinois as a whole, St Charles has 3.9× the state's share of pediatric occupational therapist records and 0.59× its share of nurse practitioner records.

Providers in St Charles, alphabetically

  1. Joseph AbbatePharmacist1710570197
  2. Daryn Abraham, M.D.Allergy & Immunology Physician1104975770
  3. Gifty AbrahamOccupational Therapist1922382555
  4. Andrea Adam, DDSDentist1255434700
  5. Pamela Adamaitis, LCSWClinical Social Worker1770724171
  6. Melissa Adamczyk, SLPSpeech-Language Pathologist1861833006
  7. Carla Adams, O.D.Optometrist1720199409
  8. Tejasi Adavadkar-Gholap, M.D.Pediatrics Physician1992940274
  9. Becky AffinitoPharmacist1447850029
  10. Melissa Aguayo, PT, DPTPhysical Therapist1982483582
  11. Patrick Ahern, JD LCSWSocial Worker1750371183
  12. Ahsan Ahmed, D.D.S.M.S.General Practice Dentistry1306837349
  13. Kesha Ainsworth, LSW, CADCSocial Worker1447904644
  14. Karen AlbertiProfessional Counselor1962723593
  15. Courtney Albrecht, OTR/LOccupational Therapist1831527787
  16. Donna Aldridge, LCPCProfessional Counselor1295417681
  17. Roanne Alhambra, PHARM.D.Pharmacist1245834340
  18. Amy Allen, LCPC, LPCProfessional Counselor1871204818
  19. Chantelle Allen, SLPSpeech-Language Pathologist1942924634
  20. Abby Allgeyer, ATCStudent in an Organized Health Care Education/Training Program1508498593
  21. Bashir Alli, PMHNP-BCRegistered Nurse1376361287
  22. Kathleen AltersohnSpeech-Language Pathologist1144374349
  23. Alfredo Alvarez, D.C.Rehabilitation Chiropractor1588505333
  24. Dana AmerBehavior Technician1316892201
  25. Khyati Amin, O.D.Optometrist1396894663
  26. Natalie Amodeo, FNP-BCFamily Nurse Practitioner1851990667
  27. Hayley Amsbaugh, PHDClinical Neuropsychologist1407515950
  28. Judith Andersen, P.T., M.S.Physical Therapist1487787750
  29. Susan Andersen, M.S., CF-SLPSpeech-Language Pathologist1447566856
  30. Ashley Anderson, MS, RDN, LDN, CPTRegistered Dietitian1154970556
  31. Barbara Anderson, PTPhysical Therapist1508897034
  32. Christine Anderson, MS, ED, NCC, LCPCProfessional Counselor1114164894
  33. Colton Anderson, DCChiropractor1366938946
  34. Deborah Anderson, PHARM D., RPHPharmacist1386927259
  35. Grace AndersonMental Health Counselor1952113029
  36. Ada Andrist, LCPCProfessional Counselor1154690873
  37. Mark AngelesPhysical Therapy Assistant1477280733
  38. Jessica AntoniouSpeech-Language Pathologist1578081279
  39. Nina AppaduraiClinical Psychologist1104292820
  40. Amy Arellanes, APRN, CNPFamily Nurse Practitioner1306452735
  41. Kristin Armstrong, LCSWClinical Social Worker1053486308
  42. Keven Arnold, D.D.S.General Practice Dentistry1942350541
  43. Lori Ashbaugh, LCSWClinical Social Worker1376286609
  44. Charles Assell, O.D.Optometrist1962574137
  45. Michael Aulert, APNFamily Nurse Practitioner1285117754
  46. Yesenia Avelar, PT, DPTPhysical Therapist1639726417
  47. Desiree Avitia, LCSWClinical Social Worker1376229799
  48. Lindsay AyeDevelopmental Therapist1912564402
  49. Brooke Backsen, MOT, OTR/L, RYTPediatric Occupational Therapist1649329103
  50. Richard Baginski, DDSGeneral Practice Dentistry1194910026

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 (122 clinicians, followed by Clinical Social Worker with 90 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, Student in an Organized Health Care Education/Training Program 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 122.

Source: CMS National Plan and Provider Enumeration System (NPPES), file loaded Aug 27, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.