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 17 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. Danielle QuanstrumOccupational Therapist1861832610
  2. Eric Quartetti, M.D.Ophthalmology Physician1104985159
  3. Maria Quartetti, MDAnesthesiology Physician1114062353
  4. Catherine Raack, M.S.Speech-Language Pathologist1891835948
  5. Jennifer RachanFamily Nurse Practitioner1548812258
  6. Patrick Rafferty, MSW, LSWMental Health Counselor1275388316
  7. Yesenia RamirezBehavior Technician1619825445
  8. Kaushal Ramkumar, RN, BSNRegistered Nurse1386428043
  9. Rommel Ram Ramos, PTAPhysical Therapy Assistant1316701592
  10. Michael Randall, DPTOrthopedic Physical Therapist1750956447
  11. Kiran RaufPharmacist1043929144
  12. Amita Raval, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1144820770
  13. Jeremiah Recinos, RBTBehavior Technician1952151748
  14. Katherine Reed, LCSWClinical Social Worker1053544171
  15. Robert Reeder, M.D.General Practice Physician1336138486
  16. Andrea ReffettClinical Psychologist1093984494
  17. Anna Reinke, P.A.Physician Assistant1982619623
  18. Lance Reinke, PSY.D.Clinical Neuropsychologist1689808750
  19. Ralph Remus, D.D.S.General Practice Dentistry1306042809
  20. Sarah Reszke, LPCProfessional Counselor1356057517
  21. Kaycee ReyesBehavior Technician1033066980
  22. Ray Richmond, P.T.Orthopedic Physical Therapist1104057413
  23. Brittney Richter, PA-CPhysician Assistant1730734807
  24. Christina RigbyBehavior Technician1750925871
  25. Rebecca RingoPhysical Therapy Assistant1205717626
  26. Rita Rippentrop, LCPCMental Health Counselor1811096258
  27. Alissia RiveraBehavior Technician1033908744
  28. Michael Rivera, MDFamily Medicine Physician1447304282
  29. Ana Rivera-MunozMental Health Counselor1629946116
  30. Elizabeth Rizzi, M.S. CF-SLPSpeech-Language Pathologist1578081378
  31. Rachel RoachRegistered Nurse1225818032
  32. Joanna Robbins, MA, LCPCProfessional Counselor1871920868
  33. Brooke RobsonBehavior Technician1982496907
  34. Kelli RodeOccupational Therapist1801103759
  35. Rocio Rodriguez, FNP-BCNurse Practitioner1710719141
  36. Caitlin RogersFamily Nurse Practitioner1548637879
  37. Yesenia Romero, RNRegistered Nurse1669150918
  38. Katherine Romozzi, BCBABehavior Analyst1033818398
  39. Stacy Rosas, LSWSocial Worker1740174820
  40. Jake RosenfeldtStudent in an Organized Health Care Education/Training Program1386101889
  41. Jennifer Ross, LCSWClinical Social Worker1619798568
  42. Magdalena Rozycki, MSWCounseling Psychologist1881451631
  43. Anna Rucinova, MA, ALMFTMarriage & Family Therapist1467308585
  44. Anna Ruffalo, RBTBehavior Technician1336847722
  45. Nevin RungeBehavior Technician1275279291
  46. Kimbra RunyanChiropractor1710487756
  47. Margarita RusianaPhysical Therapy Assistant1992487920
  48. Sarah Russell, M.A., CCC-SLPSpeech-Language Pathologist1417400904
  49. Joshua RylkoTechnician/Technologist1851190417
  50. Carissa Sabal, LCPCProfessional Counselor1255006128

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.