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 70 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. Rebecca Reinke, PSY.D.Psychologist1336213081
  2. Katarzyna RejmerBehavior Technician1356893440
  3. Jennifer Rembrecht, M.ED.Developmental Therapist1215150081
  4. Kathleen Remlinger, MDDermatology Physician1083609028
  5. Emily RennProfessional Counselor1356089429
  6. Rodolfo Renteria, ED.S NCSPSchool Psychologist1669320032
  7. Andia Renz, MDDermatology Physician1578191391
  8. Thecla Rettberg, R.N.,IBCLC,RLC,CIMIRegistered Nurse1356551162
  9. Amanda Retzer, MSW, LSW, CADCSocial Worker1962293290
  10. Semira Rezayazdi, DDSDentist1740300334
  11. Catherine Rhim, D.D.S.General Practice Dentistry1033355482
  12. Dasha RhodesClinical Social Worker1629933619
  13. Filomena Ricci-Rauschert, P.T.Orthopedic Physical Therapist1508065988
  14. Tanzania Rice, RBTBehavior Technician1518666825
  15. Alyssa Rich, M.S., SLPSpeech-Language Pathologist1659752988
  16. Carly Richards, MDSurgery Physician1518305119
  17. Carolyn RichardsProfessional Counselor1225728470
  18. Haley Richards, MS, LPCProfessional Counselor1508535667
  19. Tricia RichardsClinical Social Worker1326921313
  20. Erin Richardson, LCSWClinical Social Worker1396297370
  21. Marissa RicheyStudent in an Organized Health Care Education/Training Program1114795044
  22. Joshua Richman, D.D.S.Oral and Maxillofacial Surgery (Dentist)1245407733
  23. Linda Ricks, DDSEndodontics1396880639
  24. Sarah Ridenour, LCSWClinical Social Worker1457562308
  25. Florencia Rider, P.T.Physical Therapist1144654351
  26. Todd RiefenbergOccupational Therapist1093436305
  27. Jenna RiemMental Health Counselor1912510967
  28. Kevin Rieser, MA CCCAAudiologist1629151782
  29. Maher Rifai, DMD, MDOral and Maxillofacial Surgery (Dentist)1710143177
  30. John Rigali, M.D.Specialist1699040543
  31. Kevin Riggs, PA-C, MPASMedical Physician Assistant1609848282
  32. Lars Rikardsen, M.D.Family Medicine Physician1558749226
  33. Susan Riley, LCPCProfessional Counselor1699980979
  34. Jessica Rinehart, PHARMDPharmacist1790457760
  35. Anthony Rinella, MDOrthopaedic Surgery of the Spine Physician1811961147
  36. Holly Riordan, LCSWClinical Social Worker1982446001
  37. Kathryn RiordanAthletic Trainer1386266633
  38. Kyle Rippel, O.D.Optometrist1932385986
  39. Roople Risam, MDPsychiatry Physician1477136000
  40. Kelly Ristau, PSY.D.Clinical Psychologist1467174540
  41. Diana Ritter, LCSWClinical Social Worker1215064829
  42. Nancy Rivas, PHDClinical Psychologist1609954924
  43. Nicholas RiveraPhysical Therapist1114612272
  44. Ramses Rivera, PTPhysical Therapist1326274432
  45. Letha Rivet-HowellMental Health Counselor1205177896
  46. Melissa Rivette, FNP-BCFamily Nurse Practitioner1235524711
  47. Tariq Riyal, D.D.SGeneral Practice Dentistry1083907828
  48. Zehra Rizvi, MDNeonatal-Perinatal Medicine Physician1982791778
  49. Christopher RizziMarriage & Family Therapist1972368041
  50. Erin Rizzo, FNP-BCFamily Nurse Practitioner1912429051

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.