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 12 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. Barbara Byrne, MDPediatrics Physician1558641217
  2. Kelly Byrnes, DPTPhysical Therapist1225462955
  3. Meredith Byrnes, OTR/LOccupational Therapist1881315588
  4. Abby Cabin, LDNRegistered Dietitian1639001647
  5. Jean Caddick, APN-CNPNurse Practitioner1154796902
  6. Catherine Cahill, RPHPharmacist1568933281
  7. Matthew CahillAssistant Behavior Analyst1235970138
  8. Sean Cahill, MDPediatrics Physician1801862206
  9. Pamela Caine, MSW, LCSWClinical Social Worker1346131141
  10. John Cairns, DMDDentist1013368786
  11. Christina Cal Shane, LCSWClinical Social Worker1699888503
  12. Angelica CalascibettaBehavior Technician1417450180
  13. Fidel Calderon, APNNurse Practitioner1518559038
  14. Monica Caldieraro, OTR/LOccupational Therapist1700299567
  15. Julie CaleyNurse Practitioner1629439815
  16. Alexis Caliendo, LPCProfessional Counselor1215625629
  17. Elizabeth Callahan, DOPhysical Medicine & Rehabilitation Physician1417585704
  18. Joseph Calomo, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1205310083
  19. Lindsay Calvario, M.S., R.D.Registered Dietitian1861844219
  20. Shannon Calvert Osuchowski, PSY.D.Clinical Psychologist1811245269
  21. Tracy Camaj, PTPhysical Therapist1982648242
  22. Michaela Campagnolo, DPTPhysical Therapist1386991552
  23. Angela Campbell, PT, DPTPhysical Therapist1689432296
  24. Lauren Campbell, MSW, LSW, QMHPSocial Worker1659807196
  25. Thomas Campbell, D.C.Chiropractor1699082339
  26. Karen Camporese, PTPhysical Therapist1881972990
  27. Emily CamposBehavior Technician1891296430
  28. Erika Campos, PT, DPTPhysical Therapist1568751998
  29. Meghan Campos, LCPCProfessional Counselor1902299290
  30. Rodney Caniglia, M.D.Otolaryngology Physician1770518318
  31. Janie Canner, D.O.Pediatrics Physician1578548483
  32. Glen Cannon, LCPCClinical Social Worker1588749550
  33. Erika CantarelliCounselor1720673809
  34. Katherine Cantu, PA-CPhysician Assistant1699695593
  35. Adam CapAthletic Trainer1487100988
  36. Katherine Caputo, MSWSocial Worker1457107450
  37. Patricia Caputo, RPHPharmacist1194939272
  38. Paul Caputo, D.D.S.General Practice Dentistry1841238698
  39. Katrena Card, PT, DPT, CWSPhysical Therapist1487091187
  40. Keren CardenasMarriage & Family Therapist1154618544
  41. Lea CardenasBehavior Technician1851245542
  42. Maria Cardenas Salamanca, MAProfessional Counselor1437980075
  43. Matthew Carducci, M.D.Family Medicine Physician1093762338
  44. Sandra Carey, PSYD, MSClinical Psychologist1225301815
  45. Jelome Shine Carlos, LSWSocial Worker1982530721
  46. April CarlsonClinical Social Worker1114147956
  47. Patricia Carmichael, RNRegistered Nurse1316337710
  48. Michele Carney, MDObstetrics & Gynecology Physician1750371340
  49. Michael Caron, MDNeurological Surgery Physician1275738023
  50. Nadia Carpanzano, D.C.Chiropractor1912204330

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.