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 43 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. Robyn KonradProfessional Counselor1881468056
  2. Kendra KoopmanBehavior Technician1770458598
  3. Debra Koopmann, LCSWClinical Social Worker1760491831
  4. Paige Koos, LCSWClinical Social Worker1346539855
  5. April Kopsel, CFY-SLPSpeech-Language Pathologist1154661742
  6. McKenzie KorhornRegistered Dietitian1295556041
  7. Courtney Kornsey, FNP-CNurse Practitioner1285263996
  8. Anna KorolczukContractor1790069110
  9. Igor Kosciuch, BSPTPhysical Therapist1306093380
  10. Lawrence Kosova, DPMPodiatrist1649257221
  11. Theresa Kosovrasti, APN-CNPNurse Practitioner1124797816
  12. Jennifer Kotecki, PH.D., LPC, ATR-BCMental Health Counselor1578037818
  13. Alison Kotek, ATC, NASM-PESAthletic Trainer1538136049
  14. Shruti KothadiaPhysical Therapy Assistant1902564719
  15. Nicole Kothe, LPCProfessional Counselor1215543012
  16. Juling Kou, L.ACAcupuncturist1881871465
  17. Ritu Koul, RPTPhysical Therapist1982679213
  18. Sunita KoulInternal Medicine Physician1003127895
  19. Anthony Kouri, MDOrthopaedic Surgery Physician1215355862
  20. James Kowal, PH.D.Professional Counselor1255348777
  21. Margaret Kowalczyk, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1306904974
  22. Janice Kowalski, M.D.Child & Adolescent Psychiatry Physician1992980379
  23. Carolyn Koziol, PTPhysical Therapist1013031780
  24. Megan Koziol, MOT, OTR/LOccupational Therapist1376176727
  25. Rachel Koziol, MA, LCPCProfessional Counselor1144055484
  26. Julie Kozlowski, CNSAcute Care Clinical Nurse Specialist1932110004
  27. Karyn Kozy, PHDClinical Psychologist1568858496
  28. Emily Krachenfels, PA-CPhysician Assistant1891515367
  29. Cheryl Krafft-Mealle, PTPhysical Therapist1376694950
  30. Anita Krajecki, RNC-LRN, BSN, IBCLCLactation Consultant (Registered Nurse)1083970552
  31. April Krakar, FNPFamily Nurse Practitioner1437586799
  32. Beth KrasowskiSpeech-Language Pathologist1508375395
  33. Nancy Kratz, PHDClinical Psychologist1104127471
  34. Irvin Kraus, DOProfessional Counselor1184652893
  35. Isabel KrauseSocial Worker1295652758
  36. Kelly Kremske, LSWSocial Worker1891316683
  37. Sarah Krippel, APRNNurse Practitioner1780267526
  38. Kousik Krishnan, M.D.Clinical Cardiac Electrophysiology Physician1225054505
  39. Paola KristufekOccupational Therapy Assistant1497108039
  40. Christopher Krizek, D.D.S.General Practice Dentistry1366650046
  41. Victoria Krofta-Thompson, M.A.Professional Counselor1326182791
  42. Christine Krumsee, LPC, ATR-PCounselor1104717388
  43. Benjamin Krumstok, M.D.Diagnostic Radiology Physician1528044997
  44. Sarah Kruse, OTR/LOccupational Therapist1437883139
  45. Aneta Kryczka, LCPCProfessional Counselor1801213319
  46. Katherine Kubal, LCSWClinical Social Worker1912083809
  47. Christina KuchefskiBehavior Analyst1164920138
  48. Margaret Kuchler, RBT, BCBABehavior Analyst1083280986
  49. Denise KuchmekPharmacist1477906378
  50. Shashikant Kudchadker, M.D.Pediatrics Physician1679570691

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.