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 17 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. Julie CunninghamSpeech-Language Pathologist1245629054
  2. Jennifer CurtinProfessional Counselor1194063230
  3. Bradley Cutler, M.D.Psychiatry Physician1477781649
  4. Thomas Cybulski, RT,RDMSDiagnostic Ultrasound Physician1851529473
  5. Scott Cyphers, LCPCProfessional Counselor1821320987
  6. Janet CzaplewskiSpeech-Language Pathologist1679759062
  7. Andrew Czarniewski, DCChiropractor1013011493
  8. Kelly Czarniewski, DCChiropractor1437255767
  9. Diana CzechSocial Worker1124719661
  10. Robert Czepiel, MDFamily Medicine Physician1538156294
  11. Laura CzerwinskiSpeech-Language Pathologist1528396835
  12. Katherine Czyzewski, LCSWClinical Social Worker1376780791
  13. Christina D'Amico, DPTPhysical Therapist1184184467
  14. Theodore D'Amico, DCChiropractor1376202903
  15. Molly D'Costa, D.O.Family Medicine Physician1033199369
  16. Ehab Dababneh, MDInterventional Cardiology Physician1003255308
  17. Sara Dabrowski, PA-CPhysician Assistant1124018817
  18. Sonia Dachepalli, MS-CCC/SLPSpeech-Language Pathologist1043510142
  19. Rifqa DacloushRegistered Dietitian1558234534
  20. Maria Dai, P.A.Physician Assistant1235361726
  21. Yolanda Dailey, LCSWClinical Social Worker1417488867
  22. Krista Dal Pozzo, FNPNurse Practitioner1285408351
  23. Michael Dalan, D.C.Chiropractor1619174745
  24. Karrie DallnerDevelopmental Therapist1326161258
  25. Michelle Dalo, PTAPhysical Medicine & Rehabilitation Physician1659104099
  26. James Daly, M.D.Psychiatry Physician1770678880
  27. Brian Damhoff, D.C. M.S.Chiropractor1932540911
  28. Sarah Dangelo, DPTPhysical Therapist1972211704
  29. Dana Daniel, DNPFamily Nurse Practitioner1811819394
  30. Francis Daniele, LCSWClinical Social Worker1639238199
  31. Mark Daniels, M.D.Gastroenterology Physician1043215718
  32. Breanna Danko, APN-CNPNurse Practitioner1326803990
  33. Kyle Dann, DOStudent in an Organized Health Care Education/Training Program1992646046
  34. Briana Dantzler, PHLEBOTOMISTPhlebotomy Technician1689459257
  35. Anya DarlingSpeech-Language Pathologist1194100040
  36. Erin DarnellOccupational Therapist1639384241
  37. Sandi Darnell, APNFamily Nurse Practitioner1700742707
  38. Neil Das Gupta, M.D.Radiation Oncology Physician1316974363
  39. Jayasri Dasar Raju, MDFamily Medicine Physician1679748552
  40. Meetal Dave, DPTPhysical Therapist1750065090
  41. Deborah Davero, PSY.DProfessional Counselor1962893503
  42. Hector Davila, PHARM.D.Pharmacist1568747509
  43. Ann Davis, MDCardiovascular Disease Physician1528012846
  44. Benjamin Davis, DPTPhysical Therapist1407467178
  45. Cecilia Davis, LCPCProfessional Counselor1508134206
  46. Chelsea Davis, PTAPhysical Therapy Assistant1225700495
  47. Cierra DavisBehavior Technician1497686828
  48. Jaclyn Davis, PTA, LMTMassage Therapist1851724744
  49. James Davis, MDSpecialist1023051315
  50. Kimberly Davis, MSTOM, L.ACAcupuncturist1881147643

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.