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 31 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. Anastacia Largosa, M.D.Family Medicine Physician1750329835
  2. Colleen Larkin, DNP, CPNP-PCNurse Practitioner1669937231
  3. Melanie LarkinBehavior Technician1275133241
  4. Therese Larkin, M.S. SLPSpeech-Language Pathologist1346323714
  5. Valerie Laroy, FNP-BCNurse Practitioner1013371996
  6. Marcus Larrieu, APNNurse Practitioner1497314397
  7. Symone Latham-DiorMental Health Counselor1841183977
  8. Christopher Laugier, DOStudent in an Organized Health Care Education/Training Program1649074436
  9. Brittany LawlerNurse Practitioner1770131989
  10. Phyllis Lawlor-Klean, APN/CNSNeonatal Intensive Care Registered Nurse1790917755
  11. Rebecca Lawrence, APN, WHNPWomen's Health Nurse Practitioner1649608506
  12. Gwendolyn Layman, MS CCC-SLP/LSpeech-Language Pathologist1023669454
  13. Iwona Lazarz, ODOptometrist1588280358
  14. Holly Le, ODOptometrist1871018036
  15. Nga Le, M.D.Pediatrics Physician1205191053
  16. Tammy Le, O.D.Optometrist1942170428
  17. Stephen Leamy, PTAPhysical Therapy Assistant1659430544
  18. Taylor LearySpeech-Language Pathologist1043141427
  19. Vianca LedesmaBehavior Technician1881475549
  20. Brian Lee, MHS, CADCAddiction (Substance Use Disorder) Counselor1700360070
  21. Christina Lee, FNPFamily Nurse Practitioner1215359559
  22. Christine Lee, APN, FNP-BCFamily Nurse Practitioner1972993434
  23. Douglas Lee, MDSpecialist1144229949
  24. Eleanor Lee, DOPediatrics Physician1205464716
  25. Ham Lee, MDRadiation Oncology Physician1316929177
  26. Isaac Lee, DMDGeneral Practice Dentistry1407692213
  27. Jane Lee, M.D.Surgery Physician1386957884
  28. Michael Lee, DMDOral and Maxillofacial Surgery (Dentist)1568843340
  29. Renee Lee, LCSWClinical Social Worker1952937229
  30. Nathan LehockyBehavior Technician1821639436
  31. Megan LeitnerInternal Medicine Physician1114712304
  32. Kyle Lejeune, LCSWClinical Social Worker1972378073
  33. Lauryn LellosMarriage & Family Therapist1912639428
  34. Natalie LemonEmergency Medicine Physician1154902575
  35. Anthony LempickiBehavior Technician1306556410
  36. Alexis Lemus, CCC-SLPSpeech-Language Pathologist1730859232
  37. James Leonard, MDSports Medicine (Orthopaedic Surgery) Physician1710154331
  38. Meaghan LeonardDevelopmental Therapist1639340060
  39. Rebekah Lepak, MDEmergency Medicine Physician1144030735
  40. Adam Lepkowsky, MDAnesthesiology Physician1447887591
  41. Phoebee LeroyOccupational Therapist1134385370
  42. Anne LeungPediatrics Physician1235934902
  43. Brianna LeverenzStudent in an Organized Health Care Education/Training Program1780523290
  44. Melissa Levin, MDPediatrics Physician1619735008
  45. Thomas Levin, M.D.Interventional Cardiology Physician1295773414
  46. David Levy, D.D.S.General Practice Dentistry1316016090
  47. Rebecca Levy, PAPhysician Assistant1265539241
  48. Dakota Lewey, PASurgical Physician Assistant1407327638
  49. Yanxia LiAnatomic Pathology & Clinical Pathology Physician1003064700
  50. James Liang, M.D.Ophthalmology Physician1578541983

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.