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 27 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. Christina Gavoni, APRN, CNPNurse Practitioner1548829450
  2. Kassidy Gaylord, OTR/LPediatric Occupational Therapist1235888348
  3. Audrey Geannopoulos, M.D.Internal Medicine Physician1124282546
  4. Chris Geannopoulos, MDCardiovascular Disease Physician1265407076
  5. Jenna GebhardtOccupational Therapist1588289888
  6. Ryan GeisertAnesthesiology Physician1154901205
  7. Hatem GelaniProsthodontics1184131500
  8. Jeffrey Gelband, DCChiropractor1417487794
  9. Roza GelmanSocial Worker1134052574
  10. Elizabeth Gengler, DPTPhysical Therapist1124635487
  11. Patricia GeniessePediatric Physical Therapist1376739540
  12. Kristin Genslinger, NPNurse Practitioner1376192252
  13. Feby GeorgeFamily Nurse Practitioner1346982568
  14. Jeril George, PHARM DPharmacist1164026472
  15. Laurel George, MDPediatrics Physician1649202789
  16. Melinda George, MDObstetrics & Gynecology Physician1619469400
  17. Resmi George, FNP-BCFamily Nurse Practitioner1952808081
  18. Sarah Geraci, OTROccupational Therapist1407371263
  19. Theodore Gerber, RPHPharmacist1770866352
  20. John Gerding, DDSGeneral Practice Dentistry1609030519
  21. Michele Gertsen, PTPhysical Therapist1215094404
  22. Matthew Gervase, MPTPhysical Therapist1427380310
  23. Lori Getchel, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1023587961
  24. John Ghassan, DOPediatrics Physician1962992883
  25. Sarah Ghazi, LCSWClinical Social Worker1275012361
  26. Neal Ghelani, D.O.Hospitalist Physician1841604014
  27. Mushira Ghoghawala, APRNFamily Nurse Practitioner1992478929
  28. Fowzia Ghouse, MDFamily Medicine Physician1215923826
  29. Laura Giancola, ODOptometrist1154430353
  30. Marlena Giannamore-Ashmore, DMDGeneral Practice Dentistry1235012196
  31. Keith Giaquinto, D.C.Chiropractor1225115025
  32. Jean GibbsSocial Worker1083317747
  33. Stanley GibbsFamily Nurse Practitioner1881103042
  34. Chiann Gibson, DMDDentist1619097706
  35. Collin GibsonBehavior Analyst1477127306
  36. Jonathan GibsonFamily Medicine Physician1740579820
  37. Mia GibsonBehavior Technician1467298653
  38. Rulon Gibson, PH.D.Clinical Psychologist1689686925
  39. Sara Gibson, LPCProfessional Counselor1154453215
  40. Zachary GibsonProfessional Counselor1609356906
  41. Jessie Giese, LCSW, BCBAClinical Social Worker1780956482
  42. Lindsay Gifford, APNFamily Nurse Practitioner1104432020
  43. James Gilbert, LCPCMental Health Counselor1588235949
  44. Sharon Gilbert, MSProfessional Counselor1972620037
  45. Mahnoor GillBehavior Technician1386412658
  46. Momal GillBehavior Technician1487413555
  47. Stacy Gill, MSN, ACNPNurse Practitioner1487905956
  48. Yolanda GillCounselor1356094973
  49. Angela Gillham, PSY.D.Clinical Psychologist1194878405
  50. Lynne Gilliland, HISHearing Instrument Specialist1245866466

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.