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 46 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. Shubhada Lawande, M.D.Pediatrics Physician1750388773
  2. Judith Lawlor, CCC/SLPSpeech-Language Pathologist1003375353
  3. Kevin Lawlor, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1932611936
  4. Gerald Lawm, PH.D.Clinical Psychologist1821284423
  5. David Lawrence, D.P.M.Podiatrist1518964808
  6. Michelle Lawrence, LCPCProfessional Counselor1144671918
  7. Alexander Lawson, DPMFoot & Ankle Surgery Podiatrist1417410077
  8. Brianna Layman, BCBABehavior Analyst1740008887
  9. Christopher Layton, D.C.Chiropractor1033498142
  10. Gaynold Leano, PTPhysical Therapist1780319434
  11. Neal Leatherman, L.C.S.W.Clinical Social Worker1265651665
  12. Adiana Lebron, LCSWClinical Social Worker1851901219
  13. Star Ledonne, LCPCProfessional Counselor1801128947
  14. Cheryl LeducMarriage & Family Therapist1346099462
  15. Alicia Lee, MDInternal Medicine Physician1871684415
  16. Danbee LeePhysical Therapist1477000685
  17. Eunia Lee, MA, LCPCProfessional Counselor1881874360
  18. Haesuk Lee, D.C., L.AC.Chiropractor1639221278
  19. James Lee, APN-CNPPsychiatric/Mental Health Nurse Practitioner1205237104
  20. John Lee, M.D.Internal Medicine Physician1265449722
  21. John Lee, M.D.Emergency Medicine Physician1932279965
  22. Juei Lee, DMDPediatric Dentistry1164839213
  23. Lori Lee, LCSWClinical Social Worker1144314691
  24. Natia Lee, LPNLicensed Practical Nurse1871320275
  25. Nia LeeBehavior Technician1629921408
  26. Salvia Lee, AU.D.Audiologist1770819500
  27. Serena Lee, LCSWClinical Social Worker1841718046
  28. Quinisha Lee-Vaughn, LCSWClinical Social Worker1922692698
  29. Ellia LegerProfessional Counselor1447956768
  30. Janet Lehr, O.D.Optometrist1609935733
  31. Martin Leichtman, PH. D.Clinical Psychologist1700823390
  32. Robert Lejawa, D.O.Family Medicine Physician1265592596
  33. Heather Lemke, MA, NCC, LCPCProfessional Counselor1417290354
  34. Brian Lenahan, D.O.Family Medicine Physician1053462788
  35. Julie Lendzion, M.S.Audiologist1063632768
  36. James Lengemann, MDInternal Medicine Physician1447247572
  37. Jonathan Lenich, PA-CPhysician Assistant1346968914
  38. Alison Lennhardt, FNP-CFamily Nurse Practitioner1366866501
  39. Cassandra LenosStudent in an Organized Health Care Education/Training Program1265904148
  40. Rocio Leon, MS, OTR/LOccupational Therapist1194438705
  41. Alena Leonova, APN. NP-CFamily Nurse Practitioner1730632316
  42. Jessica Lepage, DPTPhysical Therapist1407288244
  43. Abigail Lerner, APRNNurse Practitioner1114652997
  44. Ashley Lester, LSWSocial Worker1730038969
  45. Kate LetourneauProfessional Counselor1154947927
  46. Donna Lettieri-Marks, PSY.D.Clinical Psychologist1346233665
  47. Lisa Leung, M.S., CCC-SLP/LSpeech-Language Pathologist1649932419
  48. Tracy Leung, PSYDClinical Psychologist1154423929
  49. Keith Levasseur, LCPCProfessional Counselor1811905995
  50. Danielle LeveeProfessional Counselor1285372250

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.