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 16 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. Caren Corrigan, APRNNurse Practitioner1225365794
  2. Jayne Corrigan, APRNNurse Practitioner1750027199
  3. Christine Corsun-Ascher, PSY.D.Clinical Psychologist1336370949
  4. Galilea CortesBehavior Technician1033997093
  5. Bonnie Cortez, MASSAGE THERAPISTMassage Therapist1205224599
  6. Michael Cortina, LCPCProfessional Counselor1619068160
  7. Janet Cosentino-Auer, PHARMDPharmacist1942587431
  8. Darla Coss, OTOccupational Therapist1932326394
  9. Kimberly Cossmann, MOT, OTR/LPediatric Occupational Therapist1235500133
  10. Nicholas Costakis, PSY. D.Clinical Psychologist1225370430
  11. Maria Rosa Costanzo, MDAdvanced Heart Failure and Transplant Cardiology Physician1073564860
  12. Nanette Cote, MA, CCC-SLPSpeech-Language Pathologist1447357835
  13. Allison Cotton, LCSWClinical Social Worker1952461006
  14. Glen Coulomb, MDVascular Surgery Physician1396705489
  15. Hillary Country, MS, CCC-SLPSpeech-Language Pathologist1871269167
  16. Thomas Couri, M.D.Gastroenterology Physician1619357639
  17. John Courtney, M.D.Diagnostic Radiology Physician1194701144
  18. Robert Covert, MDNeonatal-Perinatal Medicine Physician1376630160
  19. Susan CovingtonPharmacist1417535337
  20. Don Cowart, DCChiropractor1295896629
  21. Corey Cox, PHARMDPharmacist1912575721
  22. F Cox, M.D.Ophthalmology Physician1528081684
  23. Sandra Coyner, LPCProfessional Counselor1356175350
  24. Ashley CozziSpecialist1760872642
  25. Cassandra Crackel, PAPhysician Assistant1538439799
  26. Patricia Craft, PA-CPhysician Assistant1972133031
  27. Buffy Cramer-Hammann, PSY.D.Psychologist1821012873
  28. Julie Crane, PT, DPTPhysical Therapist1275669715
  29. Adana CranfieldClinical Social Worker1386245769
  30. Stephanie Cravens, D.D.S.General Practice Dentistry1790149631
  31. John Crawford, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1952422248
  32. Chenise CreggettFamily Nurse Practitioner1659856946
  33. Cathleen Cregier, APNInternal Medicine Physician1245227271
  34. Chloe Cremona, RDRegistered Dietitian1366913444
  35. Maximino Crespo-Deynes, L.P.C.Mental Health Counselor1649646449
  36. Mary Crissman, B.S.Behavior Analyst1700162427
  37. Taniyah Criswell, RBTBehavior Technician1447032503
  38. Andre Crockett, NMDNaturopath1659997690
  39. Timothy Crombie, D.D.S.Dentist1033281928
  40. Stephen Crotty, M.D.Pediatric Emergency Medicine (Emergency Medicine) Physician1063481802
  41. Gina Crovetti, LCPCProfessional Counselor1033740071
  42. Jasmin CruzBehavior Technician1194600593
  43. Ronan Adrian Cuanang, PTPhysical Therapist1063925220
  44. Thad Cuasay, PA-CPhysician Assistant1730112277
  45. Zariah CuevasBehavior Technician1285557868
  46. Cheryl Culen, MSN., FNP., PMHNPPsychiatric/Mental Health Nurse Practitioner1972796266
  47. Kathleen Culen, LCSWClinical Social Worker1255614939
  48. Christopher Cullison, O.D.Optometrist1871629915
  49. Arthi CunkariSports Medicine (Preventive Medicine) Physician1619651445
  50. James CunnarFamily Medicine Physician1164538617

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.