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 75 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. William Schueler, MDNeurological Surgery Physician1780726505
  2. Roxanne SchueringStudent in an Organized Health Care Education/Training Program1700753332
  3. Jennifer Schuler, LCSWClinical Social Worker1699948802
  4. Sarah Schulfer, MS, LCPC, CADCProfessional Counselor1669708525
  5. Heather SchultzCounselor1982206272
  6. Joanna Schultz, DC CCSP CCPChiropractor1053304535
  7. Seth Schultz, D.C.Chiropractor1700256856
  8. Franky Schulze, LCPCProfessional Counselor1609747369
  9. Catherine SchumacherMarriage & Family Therapist1508477035
  10. Kelly Schwabe, DDSDentist1831611128
  11. Adam Schwark, MDPhysical Medicine & Rehabilitation Physician1649764267
  12. Mia SchwarteBehavior Technician1508652256
  13. Nancy SchwartzHome Health Aide1003791294
  14. Katarzyna ScigaczInternal Medicine Physician1558723585
  15. Stacy Scofield-Kaplan, MDOphthalmic Plastic and Reconstructive Surgery Physician1841633989
  16. Allison Scolaro, LCPCMental Health Counselor1811413933
  17. Charlene Scott, LCSWAddiction (Substance Use Disorder) Counselor1083772420
  18. Trevor ScottAthletic Trainer1972447431
  19. Meghan Scully, RD, LDN, CEDSRegistered Dietitian1912447236
  20. Alyssa SearsOccupational Therapist1689380933
  21. Dan Sears, PA-CPhysician Assistant1386989564
  22. Arturas Sedys, L.A.C., L.M.T.Acupuncturist1922847318
  23. Jennifer SeebockPhysical Therapy Assistant1831376060
  24. Marcia Sefcheck, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1427329317
  25. Mark Sefcheck, D.D.S.Dentist1558509497
  26. Asya Segalene, M.D.Allergy Physician1053391094
  27. Iris Seitz, M.D.Plastic and Reconstructive Surgery Physician1316197858
  28. Malini Seker-Diclemente, PTPhysical Therapist1871540898
  29. Kelly SekhonOrthopedic Physical Therapist1861173429
  30. Stephanie Sekhri, PT, DPTPhysical Therapist1508006768
  31. Angela Sell, LCSWClinical Social Worker1164760070
  32. Kendall Selsky, ATCAthletic Trainer1104228782
  33. Amrish SelvamStudent in an Organized Health Care Education/Training Program1821849118
  34. Rina SemAcupuncturist1164285953
  35. Elisa Sena, DCChiropractor1477881217
  36. Kailie Seneczko, PA-CPhysician Assistant1407295363
  37. Carly Senescu, M.D., M.P.H.Hospitalist Physician1386960367
  38. Alexa Sengstock, LCSWMental Health Counselor1275371932
  39. Sathiyabama SenthilkumarBehavior Technician1720874985
  40. Claudia SentmanStudent in an Organized Health Care Education/Training Program1881589976
  41. Robert Seo, MDUrology Physician1043268329
  42. Jennifer Serafin, PT, DPTPhysical Therapist1023404167
  43. Sally Seraphin, M.D.Anesthesiology Physician1831421593
  44. Corinne Serdena, PHARMD, RPHPharmacist1023734852
  45. Maria SerembytskaSocial Worker1083410310
  46. Jackie Serna, MSBehavior Technician1649975566
  47. Ariel Sernek, DPTPhysical Therapist1851801849
  48. Joseph Serpe, DCChiropractor1104842749
  49. Louis Serpico, MDSpecialist1508948902
  50. Heidi Serrano, RNAmbulatory Care Registered Nurse1699691113

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.