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 5 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. Riaz Baber, M.D.Psychiatry Physician1740365808
  2. Mariana BabicBehavior Technician1558915041
  3. Amanda Babicz, OTR/LOccupational Therapist1871059410
  4. Kara Babinski, D.C.Chiropractor1184011546
  5. Michaela Babu, D.C.Chiropractor1295003747
  6. Julie BabyarSocial Worker1215744529
  7. Amanda Bachman, PTPhysical Therapist1265866826
  8. Jaime Bachtell-Shelbert, RDN, LDNRegistered Dietitian1538759402
  9. Paul Backas, MDDiagnostic Radiology Physician1063463511
  10. Shelli Badger, M.S. CCCSpeech-Language Pathologist1992828735
  11. Janina Badowska, MD, SCSpecialist1740289586
  12. Andrew Badowski, MDObstetrics & Gynecology Physician1104849272
  13. Laura Badur, FNP-BCFamily Nurse Practitioner1386212975
  14. Patricia Badway, APRNFamily Nurse Practitioner1518525476
  15. Sue Bae, PH.D.Clinical Psychologist1023226701
  16. Sharon Baergen, SLPSpeech-Language Pathologist1417589995
  17. Meraj Baig, PA-CPhysician Assistant1699259036
  18. Saadia Baig, LPCProfessional Counselor1871159574
  19. Sarah BaigBehavior Analyst1730851064
  20. Karen Bailey, LCSWClinical Social Worker1861579120
  21. Jason Baird, MS, BCBABehavior Analyst1952091530
  22. Vimi Bajaj, MD FACOGObstetrics & Gynecology Physician1164488763
  23. Swati BajpaiClinical Social Worker1982080743
  24. Alison Baker, OTR/LOccupational Therapist1487249504
  25. Debra Baker, REGISTERED NURSESchool Registered Nurse1295280774
  26. Murnie BakerAttendant Care Provider1043854722
  27. Pamela Baker, LMTMassage Therapist1609276559
  28. Juanito Baladad, M.D.Diagnostic Radiology Physician1689650087
  29. Sylwia Balaga, APRNFamily Nurse Practitioner1821673534
  30. Mary Ann BalaunRegistered Dietitian1508638214
  31. Richard Baldenegro, D.C.Chiropractor1780861633
  32. Sarina Baldini, PT, DPTPhysical Therapist1902349558
  33. Stephen Baldwin, MDHospitalist Physician1790772457
  34. Donald Ball, MDDiagnostic Radiology Physician1750331260
  35. Taylor Ballard, MSSpeech-Language Pathologist1447096276
  36. Carolynn Ballew, LCSWClinical Social Worker1144677204
  37. Sabrina Ballou, MS-CCC SLPSpeech-Language Pathologist1710679592
  38. Karen Balzanto, M.D.Pediatrics Physician1124179882
  39. Navneet Bamrah, PA-CPhysician Assistant1336753342
  40. Ameeta Bamzai, MDPediatric Allergy/Immunology Physician1871544932
  41. Guadalupe BandaSocial Worker1770215865
  42. Aarifah Bandealy, DOStudent in an Organized Health Care Education/Training Program1578350435
  43. Armughan Bangash, M.DHospitalist Physician1962679852
  44. Sara Banks, MSW, LCSWClinical Social Worker1932457801
  45. Lisa Banner, M.A.Professional Counselor1386991560
  46. Kirsten Bara, ED. M.Developmental Therapist1265847834
  47. Elizabeth Barajas, PT, DPTPhysical Therapist1770730913
  48. Mujahida Baram, MDPediatric Emergency Medicine (Emergency Medicine) Physician1407018336
  49. Julie Barbosa, L.C.S.W.Clinical Social Worker1639427073
  50. Maria BarbozaBehavior Technician1659179257

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.