NPPES file of Aug 9, 2026

Doctors and health care providers in Naperville, IL

4,634 individual NPPES records list a practice address in Naperville, 3rd of 541 Illinois cities. The largest group is professional counselor: 329, 7% of the city's records, against 4% across Illinois. Page 39 of 93.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Naperville

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Naperville in Illinois

  • Rank in Illinois3rd of 541 cities by records
  • Share of the state1.9% of Illinois's records
  • Specialties present25 or more taxonomy codes
  • Top three groups19.4% of all records
  • Professional Counselor rank2nd of the 10 Illinois cities with the most

Compared with Illinois as a whole, Naperville has 2.1× the state's share of behavior analyst records and 0.54× its share of internal medicine physician records.

Providers in Naperville, alphabetically

  1. Sandeep Kalra, M.D.Internal Medicine Physician1376622092
  2. Rajeev Kalsi, M.D.Emergency Medicine Physician1447464292
  3. Sahar Kamal, O.D.Optometrist1598010134
  4. Keara Kaminski, LPCMental Health Counselor1386520674
  5. Richard Kampanatkosol, D.O.Neonatal-Perinatal Medicine Physician1851619647
  6. Bradley Kampschroeder, O.D.Optometrist1104919158
  7. Ingrid Kanady, APN-CNPNurse Practitioner1750813580
  8. Jyoti Kanda, APN-CNPNurse Practitioner1912544180
  9. Janice Kane, D,C,Chiropractor1013214477
  10. Ellice KangPsychologist1679309850
  11. Michelle Kania, MS, ATCAthletic Trainer1982672416
  12. Theodora Kanjama, MDHospitalist Physician1164650248
  13. Sylvia KanneySpeech-Language Assistant1437502101
  14. Riddhi Kansara, LPCMental Health Counselor1619769437
  15. Victoria Kanter, R.PH.Pharmacist1063812626
  16. Robert Kany, M.D.Otolaryngology Physician1215990106
  17. Alan Kaplan, M.D.Emergency Medicine Physician1093871238
  18. Lauren Kapolnek, OTR/LOccupational Therapist1629550231
  19. Manisha Kapoor, PHARMDPharmacist1124649264
  20. Sotiria Kapsis, LCPCProfessional Counselor1609503671
  21. Jill Kapson, MSW/LCSWClinical Social Worker1487906210
  22. Michael Karakourtis, DDSOral & Maxillofacial Surgery (D.M.D.)1114025574
  23. Deborah Karalis, LPCMental Health Counselor1154119451
  24. Julie Karamol, CCC SLPLSpeech-Language Pathologist1891860532
  25. Taylor Karey, MSWClinical Social Worker1255067989
  26. Erin Karlinski, PHARMDPharmacist1194337394
  27. Troy Karlsson, M.D.Orthopaedic Surgery Physician1114913910
  28. William Karmia, MA, LCPC, CSADCMental Health Counselor1386408987
  29. Timothy Karmik, MSW, LSWSocial Worker1346952306
  30. Dina Kartsonas, OTOccupational Therapist1932250917
  31. Dawn Karwoski, NBC-HWC, FMCHCHealth & Wellness Coach1881564623
  32. Claudia KarwowskiDentist1497643845
  33. Joseph Kash, MDHematology & Oncology Physician1043297971
  34. Virginia Kash, M.D.Pediatrics Physician1962402958
  35. Apolonia KasprzykMental Health Counselor1780349597
  36. Audrey Kassal, LSWClinical Social Worker1891526232
  37. Bonnie Kastin, RDRegistered Dietitian1336623875
  38. Darren Kastin, M.D.Gastroenterology Physician1164402244
  39. Scott Kaszuba, MDOtolaryngology Physician1518994508
  40. Jane KatchenSpeech-Language Pathologist1437668498
  41. Mohamed Katerji, M.DNeurology with Special Qualifications in Child Neurology Physician1295736726
  42. Kristin Katsenes, APN-CNPNurse Practitioner1861021073
  43. Joanna Katsigiannis, PSY.D.Clinical Psychologist1710283866
  44. Kashyap Katwala, MDGastroenterology Physician1194791194
  45. Matthew Katz, MSWClinical Social Worker1659022051
  46. Melissa Katz, PHDClinical Psychologist1730478843
  47. Jerome Kaul, PSY.D.Clinical Psychologist1053909226
  48. Rajinder Kaur, O.D.Optometrist1912371071
  49. Ramandeep KaurSocial Worker1962389213
  50. Sandeep Kaur, FNP-BCNurse Practitioner1871363606

The largest Illinois cities

  1. Chicago63,379
  2. Springfield4,997
  3. Peoria4,621
  4. Evanston4,013
  5. Rockford3,893

All of Illinois →

How to read this directory

Naperville, Illinois appears in the CMS National Plan and Provider Enumeration System with 4,634 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 Naperville - 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 Naperville 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 Naperville is weighted toward Professional Counselor (329 clinicians, followed by Clinical Social Worker with 307 and Physical Therapist with 263). 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, Naperville reports roughly 36.9 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 Naperville practice address, a coverage gap Naperville patients typically fill by traveling to a larger nearby hub.

For Naperville 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 Naperville, IL?

There are 4,634 registered healthcare providers in Naperville, IL, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Naperville?

The most common specialties in Naperville are Professional Counselor, Clinical Social Worker, Physical Therapist, Behavior Technician, Speech-Language Pathologist. Professional Counselor has the most providers with 329.

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.