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 62 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. Audrey Oware, MDAnesthesiology Physician1851553408
  2. Odaro Owen, PMHNPPsychiatric/Mental Health Nurse Practitioner1891644795
  3. Kelly Owens, P.A.Medical Physician Assistant1386768992
  4. Kristopher Owens, O.D.Optometrist1023110483
  5. Eki Owie-Odion, RNCase Management Registered Nurse1588517841
  6. Habibat Owolabi, NURSE PRACTITIONERPsychiatric/Mental Health Nurse Practitioner1780402032
  7. Tamara OwsleyBehavior Analyst1376089136
  8. Vanessa Owusu, DPTPhysical Therapist1366011611
  9. Diane Ozog, MDAllergy & Immunology Physician1972647154
  10. Lauren Pac, LCPCProfessional Counselor1497005128
  11. Lisa Pac, DPTPhysical Therapist1972645232
  12. Mary Pacejka, LCSWClinical Social Worker1467585489
  13. Melissa Pacione, LPCProfessional Counselor1396377479
  14. Scott Padalik, M.D.Emergency Medicine Physician1629125661
  15. Elizabeth Paddack, APNAdult Health Nurse Practitioner1336377027
  16. Jessica PadillaAthletic Trainer1235902172
  17. Lizette PadillaPhysician Assistant1104773795
  18. Sofia Padilla, M.D.Pediatric Critical Care Medicine Physician1083965008
  19. Nathalia Padilla Diaz, PSYDClinical Psychologist1891554242
  20. Rachel PaetowSpeech-Language Pathologist1710498191
  21. Brian PagePrescribing (Medical) Psychologist1073971396
  22. Emily Page, ATCAthletic Trainer1902239767
  23. Nasreen PahumiBehavior Technician1801566393
  24. Yeonshin PaikPharmacist1821375429
  25. Thomas Painter, M.D.Vascular Surgery Physician1700887684
  26. Jeremiah Palacios, PA-CPhysician Assistant1922899012
  27. Christopher Pallotto, D.D.S.Dentist1679787592
  28. Gabriella Palma, LCSWClinical Social Worker1710503842
  29. Neel Pancholi, MDOrthopaedic Surgery Physician1710398664
  30. Dhruvil Pandya, MDVascular Neurology Physician1477627396
  31. Kevin Pandya, M.D.Nephrology Physician1972759298
  32. Tejal Pandya, OTOccupational Therapist1265575427
  33. Kathryn Panek, PTAPhysical Therapy Assistant1447929112
  34. Michael Panfil, M.D.Emergency Medicine Physician1821150079
  35. Leigha Paniagua, FNP-CFamily Nurse Practitioner1154207793
  36. Ruth Panlilio, COTAOccupational Therapy Assistant1164166039
  37. Lauren Panner, FNP-BCFamily Nurse Practitioner1407269939
  38. Ron Panner, MA, LPCProfessional Counselor1215670633
  39. Nitika Pant, M.D.Psychiatry Physician1619264413
  40. Shilpa PantDevelopmental Therapist1891675864
  41. Suzette Papadakis, LCPCProfessional Counselor1780777060
  42. Steven Papagiannopoulos, MDDiagnostic Radiology Physician1689625063
  43. Tasso Papagiannopoulos, M.D.Physical Medicine & Rehabilitation Physician1821479932
  44. Cathy Papagiorgio, LCPCMental Health Counselor1649403593
  45. Evans Pappas, MDCardiovascular Disease Physician1538182019
  46. Alyssa Papuga, DOFamily Medicine Physician1144665654
  47. Timothy Paquette, PH.D.Clinical Psychologist1861246852
  48. Makena Paramo, PA-CPhysician Assistant1558153296
  49. Rey Dominick Paranal, PT, DPTPhysical Therapist1376212084
  50. Ayesha Pardesi, D.M.D.Dentist1801221510

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.