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 85 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
- Maria TrentadueStudent in an Organized Health Care Education/Training Program1962983577
- Vanessa Treps, NPNurse Practitioner1043440316
- Michael Treptow, LCSWClinical Social Worker1760577217
- Gregory Trevino, MDInternal Medicine Physician1023078631
- Peter Trichardt, D.C.Chiropractor1073730842
- Kaelinh TrinhPediatric Nurse Practitioner1407629223
- Theodore Troe, MDAnatomic Pathology & Clinical Pathology Physician1467530493
- Elizabeth Troia, RPHPharmacist1720368459
- Andrea Trombetta, PAPhysician Assistant1861021057
- Maddie TrostBehavior Technician1396361697
- Mary Trovato, MA, NCC, LPCMental Health Counselor1093474561
- Alexis TrujilloMental Health Counselor1356228639
- Andrew Tselepis, RPHPharmacist1861516346
- Pei-Yuan Tsou, MDHospitalist Physician1609293695
- Justin Tubbs, PTAPhysical Therapy Assistant1043954639
- Alicia TucekPhysician Assistant1306608898
- Katherine Tucker, PTPhysical Therapist1225269814
- Anna Tulley, MA-CF SLPSpeech-Language Pathologist1265160030
- George Tune, DCChiropractor1649949173
- Jason Tung, O.D.Optometrist1578727046
- Rachael TupperBehavior Technician1356940100
- Maria Turas, COTA/LOccupational Therapy Assistant1619492659
- Stefan Turcic, D.D.SGeneral Practice Dentistry1821130501
- Kristin Turnbull, NPFamily Nurse Practitioner1851727283
- Crystal TurnerBehavior Technician1194491241
- Kayla Turner, LPCProfessional Counselor1245995331
- Kristin TurnerFamily Nurse Practitioner1992096838
- Mark Turner, D.C.Chiropractor1629002035
- Maryellen TurnerContractor1396098570
- Stacey TurnerRegistered Nurse1821449760
- Stacy TurnerCounselor1962226373
- Brittany Turriff, LPCProfessional Counselor1124497045
- Piotr Tuszynski, PTPhysical Therapist1992854228
- Jonathan Twu, M.D.Orthopaedic Surgery Physician1629417290
- Kiran TyagiPhysical Therapist1205388451
- Anna TylkaBehavior Technician1992573364
- Timothy Tyrrell, MDInternal Medicine Physician1578551719
- Stephanie TysonDevelopmental Therapist1073297958
- Gary Tzeng, M.D.Anesthesiology Physician1609823715
- Richard Ueberfluss, PTOrthopedic Physical Therapist1306075577
- Fatema Ukani, PAPhysician Assistant1831582055
- Lindsay Ulaszek, OTR/LOccupational Therapist1336530369
- Zachary Ullman, DPTPhysical Therapist1346862430
- Judith Umunna, OTR/LOccupational Therapist1568781151
- Lindsey Underway, ECSEDevelopmental Therapist1285354860
- Samir Undevia, MDHematology & Oncology Physician1740228857
- Nicolle UribeMental Health Counselor1649027004
- Laura Uselding, MDPediatrics Physician1669651204
- Aaradhana Vadakara, PT,DPTPhysical Therapist1104432202
- Ankur Vaghani, M.D.Diagnostic Radiology Physician1518117514
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.