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 2 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. Erin Aiello, LCPCMental Health Counselor1558149930
  2. Darren AitchisonBehavior Analyst1063821122
  3. Faisal Akbari, M.DHospitalist Physician1740598705
  4. Keisha AkinsMental Health Counselor1407543374
  5. Akl Akl Docaos, DCChiropractor1003561242
  6. Oko Akrong, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1326327255
  7. Asmaa Al-Kadhi, M.D.Obstetrics & Gynecology Physician1801209911
  8. Yusra Al-Shawaf, LCSWClinical Social Worker1104306158
  9. Julienne AlbericoOccupational Therapist1801102769
  10. Ryan AlbertsMedical Physician Assistant1346682622
  11. Edward AlcarazPhysical Therapist1548120223
  12. Gretchen AlderStudent in an Organized Health Care Education/Training Program1194023747
  13. Jae AldersonBehavior Technician1295504934
  14. Catherine AlerNurse Practitioner1134584964
  15. Karen Alesch, PHARMDPharmacist1669940011
  16. Lacey Alexander, D.C.Chiropractor1508042870
  17. Meagan Alexander, LCPCMental Health Counselor1225754393
  18. Tiffany Alexander Whitehorn, LCSWClinical Social Worker1518653237
  19. Simone AlexandertBehavior Technician1275034977
  20. David Alfieri, M.D.Orthopaedic Hand Surgery Physician1932442076
  21. Richard Alford, PH DClinical Psychologist1144231911
  22. Aman Ali, M.D.Cardiovascular Disease Physician1679753164
  23. Hannie AliAnesthesiology Physician1588123715
  24. Irfan Ali, DOHospitalist Physician1306427760
  25. Rafi Ali, M.D.Gastroenterology Physician1437136454
  26. Ruhina Ali, M.D.Psychiatry Physician1528406493
  27. Abdulrahman Alkhatib, DDSDentist1730867136
  28. Robert Allanson, M.S., LCPC, CADCProfessional Counselor1851787154
  29. Robert Allar, MDRetina Specialist (Ophthalmology) Physician1154395663
  30. Patricia Allegretti, RNRegistered Nurse1053976043
  31. Shannon Allegretti, PSY.D.Clinical Psychologist1407989080
  32. Jennifer Allen, DPTPhysical Therapist1750772133
  33. Hassan AlmukhtarPharmacist1548027477
  34. Eyad Alomari, DDS, MSC, MSDENTOrthodontics and Dentofacial Orthopedics Dentistry1780325431
  35. Yadira Alonzo Espinoza, AUDAudiologist1003792722
  36. Ali Alqaysi, DMDDentist1669103768
  37. Basma AlrubaiPharmacist1639994239
  38. Adam Altman, DCChiropractor1922497056
  39. McKenzie Altmayer, MSMental Health Counselor1730907254
  40. Sivani Aluru, MDObstetrics & Gynecology Physician1275156325
  41. Courtney Alvarez, APN-CNPNurse Practitioner1841784139
  42. Rick Alwan, DDSDentist1073611471
  43. Rayan AlzoubiOccupational Therapist1851119085
  44. Andre Amaro, LPCProfessional Counselor1508644576
  45. Leo AmbrosePharmacist1346525318
  46. Maxine AmentMental Health Counselor1285574178
  47. Rikki Amesquita, SP/LSpeech-Language Pathologist1023359437
  48. Ahmad Amin, M.D.Dermatology Physician1609037357
  49. Nupur AminPharmacist1578067831
  50. Priti Amin, M.D.Pediatrics Physician1770561482

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.