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 37 of 93.
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
- Jennifer JassoClinical Social Worker1073370995
- Olivia Jaudes, LPMT, MT-BCMusic Therapist1518763515
- Genesabel JavierOccupational Therapy Assistant1700548658
- John JaworskiOrthopedic Physical Therapist1275495160
- Seema Jeelani, D.O.Emergency Medicine Physician1013207331
- Tierney JeffersPhysician Assistant1508474370
- Kyshema Jefferson, PHD, MACounseling Psychologist1376428045
- Angela Jeffries, MSN CRNPPediatric Nurse Practitioner1013114511
- Maya JelenBehavior Technician1881411072
- Sara Jelinek, MS, BCBAContractor1336661842
- Judy JelmSpeech-Language Pathologist1659534972
- Valerie Jencks, M.S.Marriage & Family Therapist1003908187
- Brazil JenkinsBehavior Technician1326867268
- Julie Jensen, MDObstetrics & Gynecology Physician1326147240
- Kelly Jensen, PSY.D.Clinical Psychologist1720909666
- Christopher Jeziorkowski, M.D.Emergency Medicine Physician1912347402
- Caitlyn JezowitClinical Psychologist1952080897
- Danial Jilani, MD, MPHVascular & Interventional Radiology Physician1902224652
- Camila JimenezBehavior Technician1013881358
- John Jimenez, DDSGeneral Practice Dentistry1457419129
- Om Jindal, R.PHPharmacotherapy Pharmacist1225315542
- Ning Jing, M.A., CCC-AAudiologist1386624724
- Sandi Jiongco, APN-CNSClinical Nurse Specialist1225428741
- Andre Joachim, LPC, NCCMental Health Counselor1790320067
- Jennifer JohantgenBehavior Analyst1477034833
- Robert JohnGeneral Practice Dentistry1245329291
- Megan JohnnicBehavior Technician1831690213
- Melanie JohnsenClinical Social Worker1023390697
- Amy JohnsonDevelopmental Therapist1023980158
- Andrew Johnson, M.D.Dermatology Physician1619310232
- Barbara Johnson, PTPediatric Physical Therapist1215242797
- Clarque JohnsonProfessional Counselor1093329922
- Courtney Johnson, FNPNurse Practitioner1255225108
- Dennis Johnson, D.D.S.General Practice Dentistry1063553659
- Elise Johnson, BCBABehavior Analyst1407498926
- Gabrielle JohnsonBehavior Technician1033920731
- Ingrid JohnsonDevelopmental Therapist1093208332
- Jenna JohnsonBehavior Analyst1891058293
- Kaitlan JohnsonProfessional Counselor1447015706
- Karin Johnson, PSYDClinical Psychologist1699837310
- Kaytlyn JohnsonProfessional Counselor1699549865
- Kristie Johnson, LCPC CADC CADPProfessional Counselor1184879942
- Laura Johnson, M.A. CCCSpeech-Language Pathologist1194896225
- Mekell Johnson, MOTOccupational Therapist1982376489
- Tracee JohnsonProfessional Counselor1720926165
- Deborah Johnson Heim, PSY DClinical Psychologist1083793632
- Paula Johnson Strasky, PT, MOMTPhysical Therapist1811054091
- Deann Johnston, LCSWClinical Social Worker1639358922
- Mary Johnston, RNRegistered Nurse First Assistant1659595494
- Aniyah JonesBehavior Technician1285118455
The largest Illinois cities
- Chicago63,379
- Springfield4,997
- Peoria4,621
- Evanston4,013
- Rockford3,893
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.