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 42 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. Mary King, MDInternal Medicine Physician1649246729
  2. Meredith King, BCBABehavior Analyst1487998654
  3. Sandra King, LPCProfessional Counselor1255891750
  4. Flora Kinha-FandohanPhysical Rehabilitation Occupational Therapist1336604156
  5. Hailey Kinzer, ALMFTMarriage & Family Therapist1467382101
  6. Shannon Kirby, APN-CNPNurse Practitioner1598137390
  7. Shivani Kiriluk, D.O.Internal Medicine Physician1619125598
  8. Beatrice Klade, M.D,Surgery Physician1689640567
  9. Tara Klaus, APNNurse Practitioner1609341072
  10. Rosemary Kleiser, OTRL CHTOccupational Therapist1679609010
  11. Yonah Klem, ED. D.Mental Health Counselor1952324337
  12. Darcy Klika, LCSWClinical Social Worker1518707819
  13. Gregory Kline, DPTPhysical Therapist1518199256
  14. Angela Klintworth, LCSWClinical Social Worker1134085244
  15. Christine Klody, DPT,MPT, CSCSPhysical Therapist1912928920
  16. Abigail KloppMental Health Counselor1316809569
  17. Kori KloverOptometrist1598291882
  18. Ryan Kluber, PHARMDPharmacist1407085707
  19. Threasa Kluever, LCSWClinical Social Worker1437518024
  20. Adam Klugman, MDGastroenterology Physician1588630669
  21. Weronika KmiecikStudent in an Organized Health Care Education/Training Program1104691716
  22. Natasha Knezevic, PSY.D.Clinical Psychologist1093474579
  23. Joshua KnickerChiropractor1548877301
  24. Curtis Knight, P.T.Physical Therapist1710913793
  25. Deborah Knight, LCPCCounselor1114371432
  26. Kevin Knipp, LMFTMarriage & Family Therapist1346672953
  27. Cassidy Knobloch, BCBABehavior Analyst1346704798
  28. Alan Knotek, O.D.Optometrist1700842341
  29. Michaele Knous, LCPCMental Health Counselor1467875815
  30. Krzysztof KocPharmacist1972989135
  31. Abby Koch, LCSWClinical Social Worker1710201579
  32. Emily KochProfessional Counselor1174242721
  33. Phyllis Koch, LCSWClinical Social Worker1629198809
  34. Christian KoehlerBehavior Analyst1326521444
  35. Nina KoehlerBehavior Analyst1801254024
  36. Aubrey KoelProfessional Counselor1457900821
  37. Ann Koerber, OTR/LOccupational Therapist1568646297
  38. Ellen Kohlmann, PASurgical Physician Assistant1881253292
  39. Jolanta Kolacz, D.T.Developmental Therapist1922440528
  40. Debra Kolak, OTR/LOccupational Therapist1982929204
  41. Robin Kolar, PTPhysical Therapist1598029894
  42. Wendy KolarOccupational Therapist1114234028
  43. Patricia Kolas, MS, LMFT, LCPCMarriage & Family Therapist1467544163
  44. Courtnay KondasProfessional Counselor1609656529
  45. Kathleen Konecki, MS, CCC-SLPSpeech-Language Pathologist1124526728
  46. Lisa Konick, PHDClinical Psychologist1548548092
  47. Mark Konieczny, D.P.M.Podiatrist1003896978
  48. Jared KonnerAnesthesiology Physician1407316581
  49. John Konny, LCSWClinical Social Worker1992881742
  50. Amber Konopa, LCPC, CADC, CTRSProfessional Counselor1043720188

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.