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 21 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. Drew DresdenBehavior Analyst1669281812
  2. Stephanie Dressler, PA CFamily Medicine Physician1629068234
  3. Carrie Driscoll, M.A.,CCC-SLPSpeech-Language Pathologist1295942944
  4. Sydney DrozdowskiSpeech-Language Pathologist1396609657
  5. Kyra Druek, MOT, OTR/LPediatric Occupational Therapist1497320261
  6. Margaret Drungle, MACLINICALPSYCHOLOGYProfessional Counselor1558440115
  7. Karen Druzak, MDObstetrics & Gynecology Physician1861591612
  8. Nisha Dsilva, D.O.Rheumatology Physician1043551500
  9. Emily DubachProfessional Counselor1235723586
  10. Marta Dube, NPNurse Practitioner1700543279
  11. Elizabeth Dubiel, MA, LPCDevelopmental Therapist1497120620
  12. Heather Ducato, M.S.Marriage & Family Therapist1235292988
  13. Bridget Duch, FNP-CNurse Practitioner1407786940
  14. Christine Duda, LCPCMental Health Counselor1396320941
  15. Patricia Duda - Tharani, NPAdult Health Nurse Practitioner1548655103
  16. Victor Dudzik, M.D.Anesthesiology Physician1275591133
  17. Jessica Duerinck, AUDAudiologist1689356578
  18. Mark Duerinck, MDInterventional Cardiology Physician1689612681
  19. Jennifer Duff, PSY.D.Clinical Psychologist1649492315
  20. Erin Duffy, LCSWClinical Social Worker1083263834
  21. Amy Duggan, LSWSocial Worker1851110043
  22. William Duke, M.A.Mental Health Counselor1851734909
  23. Paul Dukovac, DCChiropractor1194897322
  24. Iuliana Dumitrescu, PHARMDPharmacist1770194540
  25. David Duncan, PSY.D.Clinical Psychologist1558589267
  26. Matthew Dunne, M.D.Hospitalist Physician1588853113
  27. Samantha Dunne, MSW, LCSWClinical Social Worker1386120756
  28. Sean Dunphy, DPTPhysical Therapist1801644687
  29. Hoanghuy Duong, PHARMDPharmacist1093328627
  30. Mariya DuqueneAcupuncturist1649874660
  31. Grazyna Durchslag, LPTPhysical Therapist1720185044
  32. Anita Durga, D.OPhysical Medicine & Rehabilitation Physician1144372129
  33. Wesley Durham, FNP-BCNurse Practitioner1891685848
  34. Connor Durkin, LCSWClinical Social Worker1134538390
  35. Rebecca Durkin, LCSWClinical Social Worker1295658581
  36. Jason Durnas, DCChiropractor1023365202
  37. Amy DusekNurse Practitioner1669837001
  38. Maribel DuyClinical Social Worker1093441297
  39. Jason Dy, MDInternal Medicine Physician1396710265
  40. Megan Dyer, LPCProfessional Counselor1437818879
  41. Jennifer Dykeman, NCC, LPCProfessional Counselor1932859063
  42. Jennifer Dziatkowiec, LCSWClinical Social Worker1154810919
  43. Lori Dzielawa, OTOccupational Therapist1407062557
  44. Tabia Earl, PTPhysical Therapist1427089739
  45. Laura Earnest, P. A.-CPhysician Assistant1134678683
  46. Courtney Eaton, PMHNP-BC, APRNPsychiatric/Mental Health Nurse Practitioner1588545420
  47. Jenny Ebeid, PSYDClinical Psychologist1710998679
  48. Heather Eckhart, OTROccupational Therapist1841537925
  49. Shiva Edalatian ZakeriPsychologist1558281519
  50. Michael EdgarStudent in an Organized Health Care Education/Training Program1154120509

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.