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 4 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. Christopher Arico, PA-CPhysician Assistant1912195058
  2. Darlene ArielObstetrics & Gynecology Physician1588168751
  3. Azlaan Arif, LMTMechanotherapist1952850778
  4. Lucia AriolaBehavior Technician1407601958
  5. Taylor Arman, ATCAthletic Trainer1962818971
  6. Itora ArmstrongBehavior Technician1477494342
  7. Mary Armstrong, NCC, LCPCProfessional Counselor1689012254
  8. Nicole Armstrong, M.S., C.G.C.Genetic Counselor (M.S.)1649656463
  9. Hardeep Arora, M.D.Internal Medicine Physician1922057926
  10. Hena Arora, MDNeonatal-Perinatal Medicine Physician1427266220
  11. Liana Arredondo, M.S., CCC-SLPSpeech-Language Pathologist1942948450
  12. Alexa Arroyo, PA-CSurgical Physician Assistant1033977673
  13. Galina Artemyeva, M.D.Hospitalist Physician1609038579
  14. Amber ArvinSpeech-Language Pathologist1013445915
  15. Asen AsenovSurgical Physician Assistant1699073585
  16. Alicia AshSchool Psychologist1548715246
  17. Ara Lucia AshburneProfessional Counselor1275244915
  18. Kennedy AsheSocial Worker1710779129
  19. Olufunmilayo Ashiru, NPFamily Nurse Practitioner1629914122
  20. Sana AsifBehavior Analyst1326725094
  21. Areeba Asim, PAPhysician Assistant1518734888
  22. Hoda Asmar, MDInfectious Disease Physician1023048402
  23. Katelyn Atac, M.ED.Counselor1205762036
  24. Hannah AtienzaBehavior Technician1205685476
  25. Ryan Atkins, PA-CPhysician Assistant1821624768
  26. Carolyn Atkinson, PH.D.Clinical Psychologist1093828824
  27. Matthew Atkinson, LCPCProfessional Counselor1487226734
  28. Cindy Atwi, PA-CSurgical Physician Assistant1497460919
  29. Kathryn Atzhorn, AU.D.Audiologist1891055943
  30. Darby Auckland, PAPhysician Assistant1578360111
  31. Jacquelyn Augustine, PSY.D.Counselor1619286986
  32. Lindsay Augustine, SLPSpeech-Language Pathologist1396461448
  33. Maggie Augustyn, DDSGeneral Practice Dentistry1073515193
  34. Paris Austell, MDOtolaryngology Physician1295230084
  35. Angela AustinStudent in an Organized Health Care Education/Training Program1093108128
  36. Jennie Austin, AU.D.Audiologist1790924751
  37. Amy Avery, PSY.D.Mental Health Counselor1093440133
  38. Keith Avery, PSY.D.Clinical Psychologist1598948960
  39. Aaron Avila, LACAcupuncturist1770356131
  40. Naidelyn AvilaBehavior Technician1083553036
  41. Heather Aviles, MA ATR LPCProfessional Counselor1942829833
  42. Asim Awan, DDSDentist1417125345
  43. Laura Ayala, SLPSpeech-Language Pathologist1770139834
  44. Hifza AyazMental Health Counselor1558258111
  45. Yehia AyeshPhysical Therapist1790528883
  46. Arkady Ayngorn, M.D.Pediatrics Physician1851357289
  47. Mohammed Azeem, MD, MPHHematology & Oncology Physician1144583030
  48. Tahseen Azeem, DOHospitalist Physician1588240105
  49. Amanda Azon, BCBABehavior Analyst1427308832
  50. Jacq Babcock, ALMFTMarriage & Family Therapist1619723251

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.