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 71 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. Thomas Rizzo, PH.D.Clinical Psychologist1124047444
  2. Seungyeup Ro, D.CChiropractor1619251501
  3. Megan Roake, AUD.Audiologist1609150358
  4. Teresa Robbins, MSSpeech-Language Pathologist1730417056
  5. Connor Robbs, O.D.Optometrist1114652492
  6. Barbara RobertsRegistered Nurse1326996208
  7. Elizabeth RobertsMental Health Counselor1801602925
  8. Janelle Roberts, BA, EDContractor1497028336
  9. Melissa Roberts-New, LCSWClinical Social Worker1134419542
  10. Cheree RobertsonBehavior Technician1710488929
  11. Christina Robertson, LCPCProfessional Counselor1114545548
  12. Muyao Robin, APRNPsychiatric/Mental Health Nurse Practitioner1326920984
  13. Connor RobinsonRegistered Nurse1881554772
  14. Elayna RobinsonBehavior Technician1437944212
  15. Elizabeth Robinson, LCPCProfessional Counselor1487197240
  16. Julianna RobinsonProfessional Counselor1386516318
  17. Tracey RobinsonCounselor1548905045
  18. Gerardo Robles, DPTPhysical Therapist1679000707
  19. Mary Jane Rocco, M.S. - SLPSpeech-Language Pathologist1992238588
  20. Diego Rodriguez, DPTPhysical Therapist1396263638
  21. Hector Rodriguez Casanova, CP/LPProsthetist1851689665
  22. Jean Roe, PSY.D.Clinical Psychologist1891703963
  23. Shannon Roehn, M.A. CCC-SLPSpeech-Language Pathologist1134872435
  24. Avery Rogers, CCC-SLPSpeech-Language Pathologist1144705377
  25. Regina RogersCounseling Psychologist1699947739
  26. Kimberly Rohan, A.P.N.Oncology Clinical Nurse Specialist1982749750
  27. Lauren Roman, NP-CFamily Medicine Physician1881110872
  28. Julie Romanelli, DDSDentist1194885210
  29. Kelsey Romanoff, LCPCMental Health Counselor1407391220
  30. Michelle RoncalPhysical Therapist1245792100
  31. Eliseo Roquiz, D.O.Family Medicine Physician1124339833
  32. Maria RosalesSpeech-Language Pathologist1932828464
  33. Rachel Rosales, LPCProfessional Counselor1265992390
  34. Sandra Rosalia, NCLMTMassage Therapist1033254883
  35. Ryan RoschmanPhysical Therapy Assistant1912449125
  36. Lisa Rose, DCChiropractor1972609741
  37. Samantha Rose, LCSWClinical Social Worker1013326719
  38. Uyen-Trang Rose, LCPCProfessional Counselor1124307731
  39. Karen Rosian, PSY.D.Clinical Psychologist1295023570
  40. John RossMental Health Counselor1366231888
  41. Lauren Ross, CCC-SLPSpeech-Language Pathologist1225986136
  42. Samantha RossContractor1336522622
  43. Elizabeth Rosso, APRN, CNPNurse Practitioner1356094866
  44. Anthony Rotatori, PH.D.Clinical Psychologist1790903219
  45. Adrienne Roter, LSWSocial Worker1720883531
  46. Victoria RotiMental Health Counselor1831985654
  47. Gus Rousonelos, M.D.Pediatrics Physician1265410989
  48. Kristen Rousonelos, OTR/LOccupational Therapist1669312377
  49. Daniel RovakCounselor1174235915
  50. Sharon Rovenstine, O.D.Optometrist1063675528

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.