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 3 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. Swati Amin, LPTPhysical Therapist1063579738
  2. Juweria Amjed, DMDDentist1164046819
  3. Kiersten Amport, LCSWClinical Social Worker1184158818
  4. Christine Amstadt, MDInternal Medicine Physician1265514962
  5. Amy Anderson, RPHPharmacist1396756003
  6. Diann Anderson, LCPCProfessional Counselor1891826582
  7. Douglas Anderson, DDSDentist1245400738
  8. Elise AndersonBehavior Analyst1669980116
  9. Hannah AndersonMental Health Counselor1093545030
  10. Kaitlyn Anderson, M.A., L.P.C.Professional Counselor1356890263
  11. Kristina Anderson, LCSWClinical Social Worker1861049611
  12. Linda AndersonObstetrics & Gynecology Physician1528058195
  13. Marissa AndersonStudent in an Organized Health Care Education/Training Program1700279023
  14. Megan AndersonClinical Social Worker1437712726
  15. Michael Anderson, D.C.Chiropractor1336470368
  16. Richard Anderson, MDBlood Banking & Transfusion Medicine Physician1396823290
  17. Suzanne Anderson, OTR/LOccupational Therapist1932642808
  18. Tristan AndersonBehavior Technician1295478774
  19. Mary Ann Andrade-Bekker, LCPCProfessional Counselor1922498690
  20. Lily AndreaSocial Worker1558087627
  21. Christina Andreasen, AU.D.Audiologist1841697521
  22. Barbara Andreoli, O.D.Optometrist1083603518
  23. Michael Andreoli, M.D.Ophthalmology Physician1083909998
  24. Michelle Andreoli, MDOphthalmology Physician1437350212
  25. Randall Andreoli, O.D.Optometrist1376532804
  26. Allison AndrewsBehavior Technician1912753831
  27. Nancy Andrews, LCPC, ATR-BC, CCJTSProfessional Counselor1891967451
  28. Susan Andrews, PHDPsychologist1093802324
  29. Dina AndriusisBehavior Technician1619500808
  30. Katharine Anella, RNInfusion Therapy Registered Nurse1386599124
  31. Amy Aneston, M.H.S., CCC-SLPSpeech-Language Pathologist1730556226
  32. Cvetomila Angelov, MA, LCPCProfessional Counselor1033863626
  33. Maria Annum, ODOptometrist1902310006
  34. Sabriya Ansari, O.D.Optometrist1295080687
  35. Andrew Ansell, LPCProfessional Counselor1447742671
  36. Sarah Anteliz, MSWClinical Social Worker1457243024
  37. Anne Antony, PTPhysical Therapist1891072955
  38. Francis Antony, MDFamily Medicine Physician1023400728
  39. Kaitlyn Anwar, APRNNurse Practitioner1912707746
  40. Maha Anwar, PA-CPhysician Assistant1437627494
  41. Zachary Anzelmo, PT, DPTPhysical Therapist1417427725
  42. Edgardo ApolinarDiagnostic Radiology Physician1427258581
  43. Nicholas Apostolopoulos, MDFamily Medicine Physician1790870822
  44. Fras Arbi Katbi, DMDDentist1508533456
  45. Marjorie Archbold, MA LCPCProfessional Counselor1548365356
  46. Samuel Ardito, M.EDStudent in an Organized Health Care Education/Training Program1215757620
  47. Marjorie Ardon, M.D.Psychiatry Physician1184645749
  48. Alexis Ardovitch, PT, DPT, CSCSOrthopedic Physical Therapist1336717503
  49. Athena ArellanesBehavior Technician1740119882
  50. Moira Ariano, M.D.Dermatology Physician1396740981

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.