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 49 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. Paul Lyon, MDUrology Physician1194773465
  2. Mary LyonsAcute Care Clinical Nurse Specialist1174006290
  3. Jaesun Ma, D.C.Chiropractor1043695224
  4. Magdalena Maani, PHARMDPharmacist1699620153
  5. Andrew Macatula, DPTPhysical Therapist1801592332
  6. Adam Macek, D.C.Chiropractor1255636932
  7. Diane Mach, DDSGeneral Practice Dentistry1760683304
  8. Phillip Mach, DDSGeneral Practice Dentistry1215065818
  9. Samantha Machniak-CedanoProfessional Counselor1407461379
  10. Melissa Macias, BCBABehavior Analyst1679115778
  11. Nicole Mackinnon, M.S. CCC-SLP LSpeech-Language Pathologist1164566584
  12. Brenda Macneil, L.AC.Acupuncturist1902133374
  13. Stephen Macrowski, DMDGeneral Practice Dentistry1023632551
  14. Jose Maria Francisco MadambaPhysical Therapist1619895877
  15. Lubna Madani, MDFamily Medicine Physician1124349006
  16. Andrea Madden, PA-CPhysician Assistant1477919918
  17. Jyoti Madhavan, L.ACAcupuncturist1467759563
  18. Uma Reddi Madi ReddiBehavior Technician1043142599
  19. Hannah Madler, PA-CSurgical Physician Assistant1174340400
  20. Kevin Madsen, M.D.Maternal & Fetal Medicine Physician1952331779
  21. Haley Madura, M.A., CF-SLPSpeech-Language Pathologist1770201048
  22. Mariam Mafee, M.D.MOHS-Micrographic Surgery Physician1710328851
  23. Maidy MagadanMental Health Counselor1083469308
  24. Robert Maganini, MDSurgery Physician1831166776
  25. Kambiz Maghsoudi, D.C.Chiropractor1770557134
  26. Conrad Magno, DDSGeneral Practice Dentistry1215125935
  27. Christena Magyk-BeyMarriage & Family Therapist1821823410
  28. Margot Mahan, PSY.D.Clinical Psychologist1669568077
  29. Thomas Mahan, PHDMarriage & Family Therapist1508922147
  30. Sheela Mahendra, MDPediatric Gastroenterology Physician1568637841
  31. Adeline Maher, OTDOccupational Therapist1780255190
  32. Farzan Mahmood, M.DRheumatology Physician1841484961
  33. Sarah Mahoney, P.A.Physician Assistant1720238322
  34. Mohammed Mahran, PHARMACISTPharmacist1851634463
  35. Corbin Mai, LSWSocial Worker1063231686
  36. Anuja Maini, MDPediatrics Physician1649285206
  37. Matthew MakMental Health Counselor1629962758
  38. Samuel Makasiar, DPTPhysical Therapist1841113727
  39. Ashley Maki, LCSWClinical Social Worker1386203511
  40. Christina Maki, LMFTMarriage & Family Therapist1992085948
  41. Angela Makilan, APN-CNPNurse Practitioner1598525818
  42. Maria Malak, CRTTHome Health Certified Respiratory Therapist1710124151
  43. Maria MalanychNurse Practitioner1841890290
  44. Sonal Malavia, O.T.R/LOccupational Therapist1982837746
  45. Genevieve MalcolmAudiologist1801067061
  46. Joseph Malcolm, NPPsychiatric/Mental Health Nurse Practitioner1467117994
  47. Kathryn MaldonadoBehavior Technician1801424338
  48. Khyati Malhotra, DPTPhysical Therapist1336465491
  49. Madhurita Malhotra, MDPsychiatry Physician1245328699
  50. Rajeev Malhotra, M.D.Geriatric Psychiatry Physician1194753491

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.