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 93 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. Alisa Zhang, PA-CPhysician Assistant1538648076
  2. Dawen Zhang, M.D.Rheumatology Physician1215341425
  3. Li Zhang, MDNeurology Physician1184611881
  4. Xin Zhang, LACAcupuncturist1093364598
  5. Yonghua Zhang, M.D.Neurology Physician1740503960
  6. Yuling ZhangInterpreter1508183625
  7. Robin ZhouPharmacist1235693995
  8. Jimmy Zhu, M.D.Orthopaedic Surgery of the Spine Physician1467816249
  9. Adrian Zhubi, MDPsychiatry Physician1861634990
  10. Brooke Ziemba, DPTPhysical Therapist1861662918
  11. Jessica Zien, M.A., L.C.P.C.Professional Counselor1104161629
  12. Jenna ZimmermanClinical Social Worker1316876444
  13. Anne Zimmermann, M.D.Diagnostic Radiology Physician1710963350
  14. Ronald Zimmermann, D.O.Hospitalist Physician1346404985
  15. Aaron Zirk, D.O.Emergency Medicine Physician1386917268
  16. Brenda Zohner, NPFamily Nurse Practitioner1063407500
  17. Jessica Zohrer, PSYDClinical Psychologist1386477198
  18. Pirooz Zomorrodi, DDSGeneral Practice Dentistry1588739346
  19. Antoinette Zuchel, LCPCMental Health Counselor1649485228
  20. Andrea Zuckerman, APN-BCAdult Health Nurse Practitioner1114273786
  21. Mary ZugovicPharmacist1891308656
  22. Ella Zuniga, APN-CNPNurse Practitioner1013607589
  23. Jennifer Zupancic, NCLMTMassage Therapist1497890081
  24. Alec Zurek, D.D.S.Prosthodontics1518319383
  25. John Zurek, DDSDentist1962525014
  26. Rachel Zurek, DOFamily Medicine Physician1255528246
  27. Samantha Zurek, LCPCProfessional Counselor1588189971
  28. Sam Zurich, DDSGeneral Practice Dentistry1801803945
  29. John Zuskar, D.D.S.Dentist1487600292
  30. Jeanette Zweifel, ED.D.Mental Health Counselor1013091420
  31. Janna Zwilling, RNGeneral Practice Registered Nurse1265381297
  32. Kenneth Zygmunt, DPMPodiatrist1154325074
  33. Samantha Zylstra, MS MFTMarriage & Family Therapist1619121571
  34. Kastytis Zymantas, DDSGeneral Practice Dentistry1043393275

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.