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 56 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. Mark Molina, MA, LCPCProfessional Counselor1568655884
  2. William Mollohan, D.O.Internal Medicine Physician1720006919
  3. Lauren MonahanSpeech-Language Pathologist1841670064
  4. Emily MonbarrenSpeech-Language Pathologist1144112434
  5. Allysonn Moneghini, BCBABehavior Analyst1689440232
  6. Marie Monhardt, APNNurse Practitioner1952682742
  7. Louis Montana, MDSurgery Physician1184698425
  8. Anna MontanariPhysician Assistant1164827333
  9. Meghan Monte, RD, LDNRegistered Dietitian1689173015
  10. Wilma Montilla-Rener, NPPsychiatric/Mental Health Nurse Practitioner1699387910
  11. Jocelyne MontoyaBehavior Technician1215407259
  12. Michael Montwill, PHARM.D., R.PH.Pharmacotherapy Pharmacist1982815114
  13. Alicia Moore, SLPSpeech-Language Pathologist1568382737
  14. Dominique MooreMental Health Counselor1801687835
  15. Gina MooreAmbulatory Women's Health Care Registered Nurse1669333134
  16. Micahallen MooreBehavior Technician1326908427
  17. Leshley MoraBehavior Technician1114619301
  18. Allison Morales, O.D.Optometrist1598145799
  19. Danielle Moran, PHARMDPharmacist1366727117
  20. Jill Moran, MDMaternal & Fetal Medicine Physician1679524581
  21. Kathleen MoranDevelopmental Therapist1811211675
  22. Sakina MorbiwalaPhysical Therapist1144781147
  23. Jason Morell, PHARM.D.Pharmacist1770890626
  24. Ariana Moreno, COTA/LOccupational Therapy Assistant1164276457
  25. Jennifer Moreno, LCPCCounselor1144559014
  26. Valerie Moreno-TuckerProfessional Counselor1386276350
  27. Corinne Morgan, LPCProfessional Counselor1053902619
  28. George Morgan, M.D.Gastroenterology Physician1649387051
  29. Timothy Moriarty, LCPCMental Health Counselor1487259842
  30. Janet Morioka, PT, DPTPhysical Therapist1619480175
  31. Ashley Mork, RD, LDN, CSP, CNSCRegistered Dietitian1073274346
  32. Kristyn MorozBehavior Analyst1720584717
  33. Jody Morris, NPAdult Health Nurse Practitioner1376619684
  34. Randy Morris, MDReproductive Endocrinology Physician1811964745
  35. Caroline Morrison, M.D.Psychiatry Physician1285707935
  36. Brianna MorrisseySpeech-Language Pathologist1912833237
  37. Lauren Morrissey, OTR/LOccupational Therapist1902308208
  38. Monica MorrisseyBehavior Technician1366916827
  39. Dwight Morrow, MDAnatomic Pathology & Clinical Pathology Physician1730267766
  40. Cornelius MosbySocial Worker1538606512
  41. Jordan Moskoff, MDEmergency Medicine Physician1033228879
  42. Alyssa MossSocial Worker1982220786
  43. Jamie Moss, DDSGeneral Practice Dentistry1053491290
  44. Karen MostOccupational Therapist1285189720
  45. Kevin Most, D.O.Family Medicine Physician1962519744
  46. Julie Mostyn, LCPCProfessional Counselor1285388835
  47. Deborah Moszur, RN, LCPCProfessional Counselor1447514427
  48. Dawn Mottlow, N.P.Pediatric Nurse Practitioner1205055910
  49. Amanda MoudryProfessional Counselor1497521835
  50. Shanley Moulesong, PHARM.D.Pharmacist1811011836

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.