NPPES file of Aug 9, 2026

Doctors and health care providers in Oak Lawn, IL

2,993 individual NPPES records list a practice address in Oak Lawn, 8th of 541 Illinois cities. The largest group is behavior technician: 251, 8% of the city's records, against 4% across Illinois. Page 58 of 60.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Oak Lawn in Illinois

  • Rank in Illinois8th of 541 cities by records
  • Share of the state1.2% of Illinois's records
  • Specialties present25 or more taxonomy codes
  • Top three groups20.9% of all records
  • Behavior Technician rank7th of the 10 Illinois cities with the most

Compared with Illinois as a whole, Oak Lawn has 9.4× the state's share of critical care medicine (internal medicine) physician records and 0.29× its share of clinical social worker records.

Providers in Oak Lawn, alphabetically

  1. Tammie Walker, LCSWClinical Social Worker1043790017
  2. Kathleen Wallach, APNPediatric Nurse Practitioner1609212257
  3. Chelsey WalletBehavior Technician1053255950
  4. Chandler WalshHospitalist Physician1699353821
  5. Deborah WalshHearing Instrument Specialist1861874034
  6. Jamie WaltersNurse Practitioner1104272962
  7. Junwen WangOrthopedic Physical Therapist1326772609
  8. Catherine WardPediatric Nutrition Registered Dietitian1164387874
  9. Sarah Ward, PA-CPhysician Assistant1285463257
  10. Martel Warden, APRN, FNP-CFamily Nurse Practitioner1659837367
  11. Sierra WareBehavior Technician1972372480
  12. Andrea Warren, APRN, FNPFamily Nurse Practitioner1427423367
  13. Jill Warszalek, PHARMDPharmacist1427339753
  14. Megan WaszInternal Medicine Physician1588059679
  15. Summer Watkins, RN, MSN, CPNP-ACNurse Practitioner1699950535
  16. Felicia Watt, RDHDental Hygienist1447462171
  17. Hannah Watts, M.D.Emergency Medicine Physician1508021056
  18. Hesham Wazwaz, MDInternal Medicine Physician1912981242
  19. Mai WazwazPharmacist1548016173
  20. Sierra Weathers, NP-CFamily Nurse Practitioner1518556349
  21. Donna Weber, M.S. CCC-SLPSpeech-Language Pathologist1477694990
  22. Kathleen Webster, MDPediatric Critical Care Medicine Physician1831163815
  23. Caitlyn WeckNurse Practitioner1205712775
  24. Karla WehrheimPediatric Cardiology Physician1013233022
  25. Ju Wei, O.T.Occupational Therapist1821257023
  26. Linda Weinfield, D.D.S.,M.S.Periodontics1467647545
  27. Meagan Weiss, NPPediatric Nurse Practitioner1164773743
  28. Rachel Welbel, MDPhysical Medicine & Rehabilitation Physician1467895813
  29. Asem Werdi, M.D.Hospitalist Physician1588953038
  30. Jennifer Wereski, AGACNP-BCAcute Care Nurse Practitioner1992287916
  31. Alyssa WernerOccupational Therapist1588260210
  32. Adrianne WesolowskiPharmacist1881041424
  33. Jacek Wesolowski, APRNNurse Practitioner1770197758
  34. Tahira WestPediatrics Physician1588124598
  35. Marijo Westerhoff, LPTAPhysical Therapy Assistant1902962053
  36. Jermaria WestfieldBehavior Technician1336037423
  37. Wendy WhalenBehavior Technician1043089485
  38. Kelly Whirity, RDRegistered Dietitian1295285302
  39. Molly Whitcomb, AUDAudiologist1770419392
  40. Katlyn White, APRN-BCFamily Nurse Practitioner1245705193
  41. Samuel White, MDPediatrics Physician1164942819
  42. Tayler White, MSOTOccupational Therapist1689342388
  43. Patricia Whiteside, MDEmergency Medicine Physician1760010573
  44. Ana-Isabel Whittingham, P.T.Physical Therapist1265588529
  45. Andria Wierzgac, M.S., CCC-SLP/LSpeech-Language Pathologist1508389883
  46. John WieserPediatrics Physician1982307997
  47. Hillary Wildt, PSY.D., L.C.PClinical Psychologist1518406412
  48. Katarzyna Wilk, APRNPrimary Care Nurse Practitioner1477234698
  49. Jennifer Wilkins, COTA/LOccupational Therapy Assistant1952632085
  50. Calli WillettPediatric Dentistry1750919429

The largest Illinois cities

  1. Chicago63,379
  2. Springfield4,997
  3. Naperville4,634
  4. Peoria4,621
  5. Evanston4,013

All of Illinois →

How to read this directory

Oak Lawn, Illinois appears in the CMS National Plan and Provider Enumeration System with 2,993 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 Oak Lawn - 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 Oak Lawn 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 Oak Lawn is weighted toward Behavior Technician (251 clinicians, followed by Physical Therapist with 203 and Internal Medicine Physician with 173). 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, Oak Lawn reports roughly 23.8 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, Mental Health Counselor is the most prominent one with no provider currently listing a Oak Lawn practice address, a coverage gap Oak Lawn patients typically fill by traveling to a larger nearby hub.

For Oak Lawn 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 Oak Lawn, IL?

There are 2,993 registered healthcare providers in Oak Lawn, IL, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Oak Lawn?

The most common specialties in Oak Lawn are Behavior Technician, Physical Therapist, Internal Medicine Physician, Emergency Medicine Physician, Pediatrics Physician. Behavior Technician has the most providers with 251.

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.