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 66 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. Neila PetrovicDevelopmental - Behavioral Pediatrics Physician1912545542
  2. Ronald Petrucci, DDSDentist1457428971
  3. Caroline Petruk, LCSWClinical Social Worker1316652662
  4. Jayla PettisSocial Worker1073347522
  5. Rose Pham, MPTPhysical Therapist1164563904
  6. Preeti PhilipMental Health Counselor1306714183
  7. Jessica PhilipsSchool Psychologist1407444078
  8. Karen Phipps, PT, DPTPhysical Therapist1073373361
  9. River Phoenix, LCPCProfessional Counselor1043324353
  10. Sara Piasecki, APN-CNPNurse Practitioner1467211078
  11. David Piazza, MDColon & Rectal Surgery Physician1528172897
  12. Leonard Piazza, M.D.Otolaryngology Physician1083633663
  13. Thomas Piazza, D.D.S.General Practice Dentistry1760570618
  14. Katherine Pickett, MDInternal Medicine Physician1740258581
  15. Kenneth Pickett, DDSPeriodontics1396884599
  16. Elaine Piedra, D.D.S.Dentist1013025444
  17. Rafael Piedra, MDGastroenterology Physician1043287196
  18. Catherine Piehl, LCSWClinical Social Worker1366190431
  19. Mark Pieper, RPHPharmacist1053698100
  20. Ashleigh PierceSpeech-Language Pathologist1902358518
  21. Michelle Pierce, MDPediatrics Physician1467484501
  22. Brooke PiersonBehavior Technician1164382321
  23. Karen PierzPhysical Therapist1730634593
  24. Christopher Pietrzyk, D.C.Chiropractor1447393004
  25. Edith Pignotti, RN, CDERegistered Dietitian1083993752
  26. Gokila Pillai, M.D.Pediatrics Physician1679963813
  27. Danielle Pincente, LCPCProfessional Counselor1780041426
  28. Ashley PinckneyFamily Nurse Practitioner1891287926
  29. Michael Pink, DDS, MDOral and Maxillofacial Surgery (Dentist)1356668248
  30. Bradley Pins, D.C.Chiropractor1912076167
  31. Lisa Pinto, PSYDClinical Psychologist1053417097
  32. Melissa Piorkowski, ATCAthletic Trainer1124221346
  33. Shannon PiperBehavior Technician1073223327
  34. Alyssa Pipkin HeimbachOccupational Therapist1346107356
  35. Elena Pirozhnik, D.O.Obstetrics & Gynecology Physician1073612800
  36. Kayla PisauroStudent in an Organized Health Care Education/Training Program1588145239
  37. Lisa Pisha, MS, LMFTMarriage & Family Therapist1689903700
  38. Ewelina Piton, LCSWSocial Worker1154991248
  39. Priyanka Pitroda, M.D.Cardiovascular Disease Physician1366885766
  40. Tanya Pitroda, M.D.Hospitalist Physician1245491034
  41. Thomas Pittman, PA-CSurgical Physician Assistant1487746939
  42. Renata PivonkaPhysical Therapist1215279245
  43. Robert Pizzurro, DDSPeriodontics1285711697
  44. Cristy Plain, RPSGT, CCSHRespiratory/Developmental/Rehabilitative Specialist/Technologist1477213247
  45. Beena Plakkal, NP-CFamily Nurse Practitioner1427567080
  46. Michael Plant, DPTPhysical Therapist1760045629
  47. Debbie Platou, MPTPhysical Therapist1205527249
  48. John Player, M.D.Orthopaedic Surgery Physician1174518807
  49. Emilie PlesharBehavior Technician1134978794
  50. Mary Plonis, PSY.D.Clinical Psychologist1154500452

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.