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 34 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. Amanda Hoff, MSGenetic Counselor (M.S.)1578188017
  2. Kathryn Hoff, PH.D.Behavior Analyst1679963656
  3. Janel Hoffman, CPNP, MSNPediatric Nurse Practitioner1265748727
  4. Melissa Hoffman, OTR/LOccupational Therapist1366948747
  5. Jaclyn Hoffmeister, PSY.DClinical Psychologist1447935218
  6. Lillian Hohman, M.A CCC-SLPSpeech-Language Pathologist1417770850
  7. Sean Holbrook, PTPhysical Therapist1558837302
  8. J Holcomb, D.C.Nutrition Chiropractor1144348806
  9. Deanna Holleman-Duray, MDNeonatal-Perinatal Medicine Physician1124115910
  10. Marla Holman, RNGerontology Registered Nurse1952074213
  11. Mollie Holman, MSWClinical Social Worker1033254693
  12. Julia HolmesBehavior Technician1831688209
  13. Mary HolmesMental Health Counselor1831665298
  14. Morgan Holt, PA-CPhysician Assistant1437575362
  15. Elizabeth Holtz, M.SLMental Health Counselor1457368243
  16. Gerald Holtz, M.D.Diagnostic Radiology Physician1578649554
  17. Travis HoltzclawBehavior Technician1710707542
  18. Olivia HoltzingerBehavior Analyst1609419902
  19. Karla Holtzman, PAMedical Physician Assistant1851544936
  20. James Hommowun, PSYDPsychologist1063167526
  21. Lois Honan, R.PH.Pharmacist1396062733
  22. Jerome Hong, MDInternal Medicine Physician1336115823
  23. Melissa Honiotes, M.S, CCC-SLPSpeech-Language Pathologist1306293667
  24. Lauren HookePharmacist1043815970
  25. Willard Hooks, PH.D.Audiologist1275673493
  26. Rebecca Hooper, MHPMental Health Counselor1821493883
  27. Jill Hooten, MS LCPCCounselor1841540572
  28. Alena Hoover, MDEmergency Medicine Physician1790363851
  29. Caitlyn Hoover, SLP-ASpeech-Language Assistant1861210114
  30. Emily Hoover, DOEmergency Medicine Physician1992333728
  31. Linda Hoover, PTPhysical Therapist1932235439
  32. Ralph Hoover, M.D.Emergency Medicine Physician1871654004
  33. Christine Hopkins, APN-CNPNurse Practitioner1144481946
  34. Lauren Horne, APRNNurse Practitioner1588120034
  35. Mary Hornsby, M.A. ED. SPECIALISTSchool Psychologist1386417624
  36. Lily Horsch, RBTBehavior Technician1083501696
  37. Trinity HortonBehavior Analyst1366229890
  38. Sara Horvath, APN-CNPNurse Practitioner1871024786
  39. Donald Hoscheit, MDGastroenterology Physician1316913809
  40. Brittany Hoskins, BCBABehavior Analyst1679112379
  41. Kelly Houchin-Barhaugh, LCSW, CADCClinical Social Worker1033080197
  42. Colleen HoudaAssistant Behavior Analyst1982156576
  43. Abbey HoudeChiropractor1982227963
  44. Mary Houser, RDRegistered Dietitian1275200834
  45. Jane HousewardBehavior Technician1144976549
  46. Casey Houts, APRN, FNP-BCNurse Practitioner1053023820
  47. Sharon Hovey, MDPediatrics Physician1245341213
  48. Linette Howard, LCPCCounselor1528346483
  49. Kathryn Howe, LCPCProfessional Counselor1225367618
  50. Veronica Howell, LMTMassage Therapist1992112742

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.