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 91 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. Michael Witty, DPTPhysical Therapist1801561477
  2. Megan Wojcik, M.S., CCC-SLP/LSpeech-Language Pathologist1558522250
  3. Monica WojcikRegistered Dietitian1962219055
  4. Melanie WojewodaBehavior Analyst1942898895
  5. Justin Wolak, OTOccupational Therapist1720736168
  6. Elizabeth WolbertBehavior Technician1053829689
  7. Gina WolfSocial Worker1356060644
  8. Sydney Wolf, LPCProfessional Counselor1124956214
  9. Abigail WolfeCounselor1871473306
  10. Justin WolfeProfessional Counselor1316343767
  11. Tamara Woller-Li, D.C.Chiropractor1962546986
  12. Stephanie Wollert, MA, LPCProfessional Counselor1679137582
  13. Kevin Wolter, LCSWClinical Social Worker1487170551
  14. Constantine Wonais, MDInternal Medicine Physician1457340267
  15. Anjanetta Wonderlick, D.D.S.General Practice Dentistry1124384011
  16. Jeffrey WongFamily Nurse Practitioner1366374316
  17. Kailin WongPhysical Therapist1942911664
  18. Linda Wong, PHARM.D.Pharmacist1063815298
  19. Elyse Wood, MA, LMFTMarriage & Family Therapist1467868729
  20. Ethan Wood, LPCProfessional Counselor1477443935
  21. Lauren Woodard, APN-DNPNurse Practitioner1619465416
  22. Melissa Woolever, LCPCProfessional Counselor1538521638
  23. Ashley Wooley, LMFTMarriage & Family Therapist1962957894
  24. Shannon WoolleyBehavior Technician1245152859
  25. Richard Worley, DCChiropractor1932415148
  26. Sierra WorleyBehavior Technician1386403624
  27. Marissa Wossner, DCChiropractor1528608452
  28. Blazej Woszczynski, PHARMDPharmacist1396166690
  29. Jill Wozny, RN, MSN, CCNSClinical Nurse Specialist1427351451
  30. Karolina Wozny, PA-CSurgical Physician Assistant1295158194
  31. Anna Wright, FNP-CNurse Practitioner1861261653
  32. Deborah WrightBehavior Technician1629858832
  33. Ladonna Wright, P.A. - CPhysician Assistant1518219229
  34. Mark Wright, DMDOrthodontics and Dentofacial Orthopedics Dentistry1740392489
  35. Sandra Wu, O.D.Optometrist1295873271
  36. Xuemei Wu, D.C.Chiropractor1922015353
  37. Paul Wucka, D.O.Critical Care Medicine (Internal Medicine) Physician1215243027
  38. Nicole Wuerl, LCPCProfessional Counselor1821558453
  39. Alyssa WunderlichSpeech-Language Pathologist1538652169
  40. John Wunderlich, APN-CNPNurse Practitioner1609703479
  41. Shawn Wunderlich, PHD, LCPCProfessional Counselor1104548866
  42. Amanda Wurst, LCSWClinical Social Worker1730511569
  43. Timothy Wysozan, MDDermatopathology (Pathology) Physician1992202717
  44. Heng XuGeneral Practice Dentistry1770950081
  45. Gretchen XueSpeech-Language Pathologist1639801517
  46. Liang Xue, M.D.Endocrinology, Diabetes & Metabolism Physician1750623849
  47. Stephen Xue, M.D.Anesthesiology Physician1730610882
  48. Heather YackDevelopmental Therapist1891387999
  49. Christine Yaeger, APRN, FNP-BCNurse Practitioner1750055570
  50. Jane YanPharmacist1952750028

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.