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 92 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. Anna YangFoot & Ankle Surgery Podiatrist1659754000
  2. David Yang, M.D.Cardiovascular Disease Physician1588710933
  3. Hao Yang, RPHPharmacist1407132046
  4. Wendy Yang, MDAnesthesiology Physician1801473269
  5. Xiang Yang, PAPhysician Assistant1730394297
  6. Areeb Yasin, DMDDentist1881171338
  7. Carli Yazumbek, LCSWClinical Social Worker1720830144
  8. Victoria Yeisley, PT, DPTPhysical Therapist1942458468
  9. J'Lessa Yelder, LCSWClinical Social Worker1972366722
  10. Asli YildizNutritionist1811845431
  11. Scott Yilk, MDEmergency Medicine Physician1477646503
  12. Rebecca YisraelMental Health Occupational Therapist1225812480
  13. Jessica YoungDevelopmental Therapist1063953651
  14. Kaylea Young, MSWMarriage & Family Therapist1720820418
  15. Kristyn Young, M.S.Speech-Language Pathologist1336652072
  16. Theresa Young, M.ED., ED.S.School Psychologist1235718495
  17. Paldin Yousef, DMDGeneral Practice Dentistry1295359586
  18. Ahmed Youssef, DDSOrthodontics and Dentofacial Orthopedics Dentistry1235702309
  19. Steven Yuan, D.D.S.General Practice Dentistry1053322867
  20. Sarrah Yusuf MasterSurgical Physician Assistant1932059805
  21. Cheryl Zaabel, M.S., LCPC, CADCMental Health Counselor1063687127
  22. George Zabaneh, D.O.Family Medicine Physician1285048793
  23. Jeanne Zabel, PTPhysical Therapist1801945217
  24. Kristi Zabka, ATCAthletic Trainer1710575220
  25. Nicole ZaccariaSpeech-Language Pathologist1366940975
  26. Jennifer Zacher, PHARMDPsychiatric Pharmacist1881695708
  27. Jannah Zahdan, M.S.CFYSpeech-Language Pathologist1396454054
  28. Marie Zahorick, APN-CNPNurse Practitioner1942862479
  29. Fatima Zahraee, PHARM.D, R.PH., MBAPharmacist1073594750
  30. Wael ZakiPharmacist1073113478
  31. Maureen Zamora, APNPrimary Care Nurse Practitioner1356816243
  32. Crystal Zanders, PH.D, LCPC, NCC, ACSMental Health Counselor1811215619
  33. Brigid Zarbock, PSY.D.Clinical Psychologist1821492166
  34. Jayvee ZarragaOccupational Therapy Assistant1821460627
  35. Jessica Zasada, PA-CSurgical Physician Assistant1689374506
  36. Gabrielle Zaura, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1821546870
  37. Jaime Zavala, RDRegistered Dietitian1568085413
  38. Marhabo ZaylobiddinovaBehavior Technician1194518456
  39. Michelle Zdan, PTAPhysical Therapy Assistant1770929788
  40. Don Zeidlhack, PSY.D.Clinical Psychologist1942325618
  41. Sonia Zeisberger, DCChiropractor1386713410
  42. Jeffrey Zeitler, M.D.Emergency Medicine Physician1386796035
  43. Deborah Zeitlin, M.S.Occupational Therapist1760717557
  44. Dorothy Zeman, PSY.D.Clinical Psychologist1841313012
  45. Laura Zeman, OTR/LOccupational Therapist1578969747
  46. Therese Zeman, M.D.Pulmonary Disease Physician1174539472
  47. Glenn Zemel, M.D.Anesthesiology Physician1104873124
  48. Yuri Zermeno, MDObstetrics & Gynecology Physician1003310186
  49. Elizabeth Zeuthen, NPObstetrics & Gynecology Nurse Practitioner1922325547
  50. Abby Zhang, PAPhysician Assistant1700453792

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.