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.

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. John Abad, LCPCProfessional Counselor1891373932
  2. Sarah Abbas, MA, LCPC, CCTPProfessional Counselor1588488423
  3. Khalda Abbasi, MDInternal Medicine Physician1487705240
  4. Zehra Abbasi, COTA/LOccupational Therapy Assistant1518219021
  5. Jalil AbdallahPharmacist1205648029
  6. Rana AbdelrahimStudent in an Organized Health Care Education/Training Program1861289647
  7. Tawfik Abdul DayemGeneral Practice Dentistry1003536269
  8. Halimo AbdulkarimSocial Worker1700588746
  9. Gabrielle Abogado, LCPCMental Health Counselor1235651464
  10. Maram Abomaray, BCBABehavior Analyst1447903158
  11. James Abraham, MDGastroenterology Physician1427276732
  12. Wendy Abraham, LMFTMarriage & Family Therapist1083203566
  13. Marissa Abuel, COTA/LOccupational Therapy Assistant1376907618
  14. Chelsea Aburroman, MS, BCBABehavior Analyst1235744228
  15. Ayah Abushamat, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1871198796
  16. Maria AcandaClinical Social Worker1184357998
  17. Kimberly AcevedoBehavior Technician1720940331
  18. Genevieve AckermanMassage Therapist1295136612
  19. Adele AckertSocial Worker1588220305
  20. Samantha Adamczyk, PA-CPhysician Assistant1093016016
  21. Megan AdamowskiMental Health Counselor1942190293
  22. Jason AdamsMental Health Counselor1962050534
  23. Jordan AdamsBehavior Technician1841079688
  24. Karen Adams, R.PH.Pharmacist1932526480
  25. Kyle AdamsPhysical Therapist1679462915
  26. Sean Adams, M.D.Anesthesiology Physician1598713661
  27. Whitney AdamsBehavior Analyst1689229742
  28. Kaveh Adel, D.D.S.Dentist1649342668
  29. Ainsley AdiqueBehavior Analyst1104448935
  30. Agnes AdjorloloPsychiatric/Mental Health Nurse Practitioner1902741218
  31. Denise Adkins, M.A. CCC-SLPSpeech-Language Pathologist1124718994
  32. Laura AdlerClinical Social Worker1184350787
  33. Deepak Agarwal, DMDGeneral Practice Dentistry1487642302
  34. Nitika Agarwal, PHARM.DPharmacist1588099238
  35. Rahul Agarwal, M.D.Hospitalist Physician1992930374
  36. Joseph Agostinelli, PTPhysical Therapist1386766889
  37. Diksha AgrawalDentist1184291163
  38. Simran AgrawalBehavior Technician1336683739
  39. David Aguiar, MDObstetrics & Gynecology Physician1679660229
  40. Jocelyn Aguila, LPCMental Health Counselor1144113937
  41. Fabiola Aguilera, OTR/LPediatric Occupational Therapist1134728843
  42. Daniah Ahmad, DNP, APRNWomen's Health Nurse Practitioner1538099932
  43. Hannah AhmadSpeech-Language Pathologist1255105375
  44. Hinna AhmadBehavior Analyst1285977876
  45. Yumna Ahmad, MDInternal Medicine Physician1952938284
  46. Iffat Ahmed, D.O.Internal Medicine Physician1063668192
  47. Sana Ahmed, DMDGeneral Practice Dentistry1992546303
  48. Saroosh Ahmed, MDEmergency Medicine Physician1639335078
  49. Charles Ahn, MDOphthalmology Physician1942260278
  50. Shahid Ahsan, M.D.Pulmonary Disease Physician1740208180

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.