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 32 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. Nabiha Hashmi, MDObstetrics & Gynecology Physician1528681673
  2. Naira Hashmi, MDInternal Medicine Physician1164418729
  3. Maleeha Hashmi-Basha, MDInternal Medicine Physician1528054483
  4. Ahmed Hassan, MDCritical Care Medicine (Internal Medicine) Physician1548426745
  5. Johara Hassan, MDInternal Medicine Physician1568417301
  6. Sohaib Hassan, DOHospitalist Physician1124604731
  7. Amanda HasslerSpeech-Language Pathologist1427767706
  8. Daniel Hasso, CPOProsthetist1487155453
  9. Suzan Hatfield, APNAdult Health Nurse Practitioner1124300520
  10. Aristidis Hatzidimitriadis, MDInternal Medicine Physician1508027855
  11. Andrew Haug, DCChiropractor1053508291
  12. Elizabeth HauserContractor1417264847
  13. Tonette HavalaRegistered Dietitian1487950309
  14. Danielle Havlik, M.A., CF-SLPSpeech-Language Pathologist1720716582
  15. Emily Hawkins, OTRLPediatric Occupational Therapist1881811123
  16. Kristine HaydenBehavior Analyst1043887938
  17. M Kathleen Hayden, PSYDClinical Psychologist1669838769
  18. Debra Hayes, DACM, DIPL. OM L.AC.Acupuncturist1588182190
  19. Jennifer HayesBehavior Technician1336063825
  20. Julia Hays, PA-CPhysician Assistant1649916305
  21. William HaysPharmacist1982074134
  22. Wendy Hayum-Gross, LCPC NCCProfessional Counselor1376722504
  23. Katelyn Hazelett, NPNurse Practitioner1700393139
  24. Emily Headley, PA-CPhysician Assistant1245858117
  25. Brian Headtke, PHARMDPharmacist1467577296
  26. Shaunna HealyClinical Social Worker1376291757
  27. Thomas Healy, RPHPharmacist1174632723
  28. Sharon Heath, LCPCProfessional Counselor1225436272
  29. Erika Heatley, LCSW CADCCounselor1245838549
  30. Megan HechlerBehavior Analyst1538017942
  31. Shafali HegdePhysical Therapist1932732583
  32. Daniel Heiferman, M.D.Neurological Surgery Physician1891037370
  33. Theresa Hein, CADCAddiction (Substance Use Disorder) Counselor1063841815
  34. Kaitlyn Helgeson, FNP-BCNurse Practitioner1750153037
  35. Megan HellenthalChiropractor1164397964
  36. Heather Heller, PHARMDPharmacist1336739804
  37. Katherine Helm-Lewis, PHDCounseling Psychologist1316589542
  38. Chase HelmigBehavior Technician1790655926
  39. Karen Hembrough, D.D.S.General Practice Dentistry1447326988
  40. Jennifer Hemmelgarn, CNPFamily Nurse Practitioner1720394208
  41. Veronica HemphillMental Health Counselor1033092010
  42. Rayeshundra HendersonBehavior Technician1205318680
  43. Sara Jane Hendren, MDEmergency Medicine Physician1285772384
  44. Brendan Hendrick, PHDClinical Psychologist1386531952
  45. Karen Hendrick, PTPhysical Therapist1164643599
  46. Bruce Hendricksen, M.D.Emergency Medicine Physician1194881375
  47. Navreet HeneghanCounselor1164392056
  48. Carl Henley, D.D,S, F.A.G.DGeneral Practice Dentistry1891951786
  49. Daniel Henley, PHARMDPharmacist1457620130
  50. Brooke HennessyProfessional Counselor1780528844

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.