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 79 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. Jonathan SmithStudent in an Organized Health Care Education/Training Program1699496349
  2. Kelsey SmithOccupational Therapist1639442445
  3. Lataria Smith, RBT-250488088Behavior Technician1255268058
  4. Latasha Smith, LCSWClinical Social Worker1962748798
  5. Laura Smith, PHARMD, RPHPharmacist1437751302
  6. Linda Smith, LCSWClinical Social Worker1477353837
  7. Matthew Smith, PHARMDPharmacist1861115180
  8. Michelle Smith, PHARMD, BCPSPharmacotherapy Pharmacist1467415489
  9. Michelle SmithBehavior Technician1942906847
  10. Ryan Smith, FNP-BCFamily Nurse Practitioner1619610458
  11. Susan Smith, LDNNutritionist1326585407
  12. Tieara Smith, MPH, RD, LDNRegistered Dietitian1477331460
  13. William Smith, LCPCProfessional Counselor1609108851
  14. Jennie Smith-Pariola, PHD, APRN, FNP-BCFamily Nurse Practitioner1962353268
  15. James Smithers, M.A. L.C.P.C.Professional Counselor1487779583
  16. Shaquantalia Smothers, FNPFamily Nurse Practitioner1114587474
  17. Danielle Snedden, PSY.D.Psychologist1982195475
  18. Grace Snider, RBTBehavior Technician1174209928
  19. Cristina Snipes, LCSWClinical Social Worker1952715021
  20. Ryan Snitowsky, M.D.Emergency Medicine Physician1760419378
  21. Mary Snydersmith, LCSWClinical Social Worker1992552301
  22. Jessica Sobieray, MS, CCC-SLPSpeech-Language Pathologist1932502317
  23. Gokul Solai, M.D.Hospitalist Physician1689979197
  24. Diana Solarski, LSWSocial Worker1760240782
  25. Pamela Solowski, M.DFamily Medicine Physician1932549318
  26. Andrew SomersPhysical Therapy Assistant1255975504
  27. Medalith SomersGeneral Practice Dentistry1508437765
  28. Jennifer Sommer, RDHDental Hygienist1255612396
  29. Karen Sommers, LCSWClinical Social Worker1184932618
  30. Anjali Soni, PSYDClinical Psychologist1023379518
  31. Lyla SopelBehavior Technician1619866902
  32. John Sorce, L.C.S.W.Clinical Social Worker1497591812
  33. Angela SorensenRespiratory/Developmental/Rehabilitative Specialist/Technologist1215118922
  34. Stephanie Sorrentino, MS CCC-SLPSpeech-Language Pathologist1326415886
  35. Anthony SosaBehavior Analyst1023519949
  36. Brooke Soukup, APN-CNPAcute Care Nurse Practitioner1891614400
  37. Karen Southwick, LCSWClinical Social Worker1578740734
  38. Stephanie Spackey, PSY.D.Clinical Psychologist1013136688
  39. Kelsey Sparacio, LCSWClinical Social Worker1821766080
  40. Joyce SparksBehavior Analyst1477055275
  41. Aoibheann Sparrow, PSYDClinical Psychologist1235799073
  42. Leah SpearsPediatric Occupational Therapist1487499596
  43. Erin Speck, RDN, LDNRegistered Dietitian1013300524
  44. Kathleen Speck, APN, FNPFamily Nurse Practitioner1467849398
  45. Elizabeth Spence, D.M.D.General Practice Dentistry1083800346
  46. Drew SpencerNeurological Surgery Physician1164748026
  47. Erika Spencer, LPNLicensed Practical Nurse1871279778
  48. Jennifer Spencer, PSY.D.Clinical Psychologist1164723417
  49. Lisa SpencerPhysical Therapist1871989608
  50. Nancie Spencer, DDSGeneral Practice Dentistry1750557732

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.