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 36 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
- Hasan ImamPharmacist1043667835
- Matthew Imber, D.C.Neurology Chiropractor1588013775
- Ali ImtiazNephrology Physician1972036010
- Deborah Ing, PHARMDPharmacist1497032478
- Michael Ingersoll, PSY.DClinical Psychologist1487630737
- William Ingogly, LCPCProfessional Counselor1093168429
- Meghana Injam, MDHospitalist Physician1821483181
- Carolyn Irrera, LCPCProfessional Counselor1578138335
- John Irving, DDSGeneral Practice Dentistry1942371166
- Lauren Isdale, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881298834
- Raye Isenberg, LCSWClinical Social Worker1558412114
- Sheldon Isenberg, LCSWClinical Social Worker1568513562
- Hannah Isiminger, LCSWClinical Social Worker1821735994
- Jonathan Ismond, ODOptometrist1578133211
- Katherine IsodaBehavior Technician1427897545
- Irene Israel, MDSurgery Physician1629431739
- Bridget Ivanic, SLPSpeech-Language Pathologist1306416730
- Michelle Ivanic, M.S. CCC-SLPSpeech-Language Pathologist1851568570
- Bragadeesh Iyer, PHARM D, CGPPharmacist1659580793
- Nihad Jabbar, DCChiropractor1174695076
- Buthaina Jabir, MDObstetrics & Gynecology Physician1225241979
- Mohamed Jabri, MDEmergency Medicine Physician1013026004
- Amy Jachim, AU.D.Audiologist1427038868
- Andrea Jackson, APNNurse Practitioner1447511746
- Aubrey JacksonSpeech-Language Pathologist1275081903
- Eryn Jackson, APNNurse Practitioner1184518870
- Kevin Jackson, MDNeurological Surgery Physician1821103581
- Natalie JacksonSchool Psychologist1508788100
- Tiffany Jackson-Ponder, PTAPhysical Therapy Assistant1932466455
- Jill Jacobe, LCSWClinical Social Worker1639683931
- Paulina JacobsSpecialist1205123304
- Elizabeth Jacques, MA, LPCProfessional Counselor1568259554
- John Jaeschke, DDSGeneral Practice Dentistry1194891945
- Asmat Jafry, MDPsychiatry Physician1881704062
- Nancy Jagodzinski, D.P.M.Podiatrist1841249620
- Esther Jahnke, MA CCC-SLPSpeech-Language Pathologist1578974408
- Dinesh Jain, M.D.Gastroenterology Physician1003857103
- Dinika JainGeneral Practice Dentistry1821758756
- Lipika Jain, PSY.D.Clinical Psychologist1548781370
- Sachin Jain, M.D.Ophthalmology Physician1275832701
- Briana JakubikProfessional Counselor1841620986
- Fudia JallohBehavior Technician1306339353
- Brittany James, ATCAthletic Trainer1932581394
- Danny Jandali, M.D.Otolaryngology Physician1063827590
- Injung Jang, OTDOccupational Therapist1750098257
- Philip Janicak, M.D.Psychiatry Physician1891993754
- Anthony Janiga, M.D.Dermatology Physician1992884167
- Johanna Janik, LSWSocial Worker1114733375
- Erica Jannisch, PNPPediatric Nurse Practitioner1437142197
- Kellie Janssen, PA-CPhysician Assistant1194014498
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.