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 74 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. Bianca SavChiropractor1689337636
  2. Tejaswini SavarkarGeriatric Physical Therapist1154777373
  3. Annamarie Savio, LCPCMental Health Counselor1912428285
  4. Randa Sawan, MDAnesthesiology Physician1699750406
  5. Marie SawyerClinical Social Worker1023796166
  6. Yousuf Sayeed, M.D.Interventional Pain Medicine Physician1932155926
  7. Nancy Sayer, LCPCProfessional Counselor1003908773
  8. Lauren SbarbaroPsychologist1588359566
  9. Thomas Scaletta, M.D.Emergency Medicine Physician1861564957
  10. Drew Schaafsma, PA-C, ATCPhysician Assistant1316223589
  11. Keri Schaefer, PA-CPhysician Assistant1780053983
  12. Brian Schander, M.D.Anesthesiology Physician1912954306
  13. Megan Schauner, LCPCProfessional Counselor1770244949
  14. Madeline ScheafferBehavior Technician1144012253
  15. Elodie Schembri, APNNurse Practitioner1073983789
  16. Brooke Scherer, MDPediatrics Physician1336170380
  17. Jessica Scherer, D.C.Chiropractor1356361414
  18. Michael Scherer, D.D.S.,M.D.Oral and Maxillofacial Surgery (Dentist)1003987645
  19. Sarah Schiazza, DOHospitalist Physician1699269274
  20. Kim SchifferNutrition Education Nutritionist1851726269
  21. Gabrielle Schiller, LPC, CTRSProfessional Counselor1871251124
  22. Jacquelyn Schimel, DPTPhysical Therapist1932833431
  23. Elizabeth Schipman, PSYDPsychologist1205537305
  24. Mary Schlegel, AU.D.Audiologist1417989336
  25. Laura Schleifer, M.S., LPC, NCCProfessional Counselor1932641206
  26. David Schlieben, MDNephrology Physician1538166210
  27. Amanda Schlitt, DPTPhysical Therapist1659711158
  28. Nicholas Schlund, DOPulmonary Disease Physician1962965269
  29. Austin SchmidtAddiction (Substance Use Disorder) Counselor1598682346
  30. Clarice Schmidt, LPCProfessional Counselor1851066583
  31. Susan SchmidtClinical Psychologist1326144510
  32. Tricia SchmidtBehavior Analyst1487383337
  33. Brian Schmitt, M.D.Internal Medicine Physician1891805263
  34. Emily Schmitt, M.A., SLP-CCC, BCBASpeech-Language Pathologist1104063171
  35. Samantha Schmitz, PA-SPhysician Assistant1780268102
  36. Anne Schneider, D.O.Family Medicine Physician1992972988
  37. Kevin Schneider, BCBABehavior Analyst1306279153
  38. Rachel Schneider, OTOccupational Therapist1831898428
  39. Emily Schnurstein, APNFamily Nurse Practitioner1487167839
  40. Sarah Scholz, DCChiropractor1023681822
  41. Paula Schrad, L.P.C.Professional Counselor1427458777
  42. Mary Schramer, PH.D.Clinical Psychologist1992753784
  43. Anne Schreiber, MDObstetrics & Gynecology Physician1932177433
  44. Adam Schriedel, M.D.Internal Medicine Physician1386815504
  45. Carly Schrimpl, LCSWClinical Social Worker1487005989
  46. Maureen Schroeder, MS, LCPC, CADCProfessional Counselor1396971537
  47. Simone SchroederProfessional Counselor1467289595
  48. Yemilei SchroederProfessional Counselor1285187807
  49. Laurie Schubert, PHD RD LDNRegistered Dietitian1487925616
  50. Nancy Schubert, D.O.Emergency Medicine Physician1871654905

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.