NPPES file of Aug 9, 2026

Doctors and health care providers in Oak Park, IL

2,307 individual NPPES records list a practice address in Oak Park, 15th of 541 Illinois cities. The largest group is clinical social worker: 281, 12% of the city's records, against 6% across Illinois. Page 18 of 47.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

The 8 largest groups in Oak Park

  1. Clinical Social Worker281
  2. Behavior Technician240
  3. Mental Health Counselor138
  4. Professional Counselor124
  5. Physical Therapist106
  6. Family Medicine Physician86
  7. Social Worker83
  8. Clinical Psychologist83

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Oak Park in Illinois

  • Rank in Illinois15th of 541 cities by records
  • Share of the state1% of Illinois's records
  • Specialties present25 or more taxonomy codes
  • Top three groups28.6% of all records
  • Clinical Social Worker rank4th of the 10 Illinois cities with the most

Compared with Illinois as a whole, Oak Park has 3× the state's share of acupuncturist records and 0.33× its share of student in an organized health care education/training program records.

Providers in Oak Park, alphabetically

  1. Ericka HendersonPhysical Therapy Assistant1679220347
  2. Whitney Henderson, FNP-BCFamily Nurse Practitioner1669710984
  3. Austin HenkePhysical Therapist1427713163
  4. Vincent HenneburgSocial Worker1245744754
  5. Lauren Henry, LCPCProfessional Counselor1093013013
  6. Evan Henschel, MSW, LSWClinical Social Worker1497673453
  7. Amanda HensleyClinical Social Worker1003439795
  8. Joseph Herbst, L.C.P.C.Professional Counselor1336359165
  9. Katherine Heretis, M.D.Cardiovascular Disease Physician1710151550
  10. Kari Hermanson, DNP, CRNACertified Registered Nurse Anesthetist1942921556
  11. Nesreen Hermes, M.D.Family Medicine Physician1346516655
  12. Arthur Hernandez, MDStudent in an Organized Health Care Education/Training Program1568191682
  13. Brittany HernandezCase Manager/Care Coordinator1750734539
  14. Julia HernandezBehavior Technician1730868530
  15. Kristina Hernandez, DTSpecialist1053798181
  16. Mayra HernandezMassage Therapist1356085989
  17. Tania HernandezBehavior Technician1548094584
  18. Irma Hernandez Hernandez, LCPCProfessional Counselor1740173194
  19. Erin HerndonBehavior Analyst1720595184
  20. Alejandra Herrera, OTR/LOccupational Therapist1528837689
  21. Deana Herrman, PTClinical Electrophysiology Physical Therapist1639175979
  22. Alexander HertelBehavior Analyst1033676812
  23. Barbara Heskett, CCC-SLP/LSpeech-Language Pathologist1558650309
  24. Kamran Heydarpour, MDGastroenterology Physician1093764193
  25. Linda Heying, PSYD LMFTMarriage & Family Therapist1417323668
  26. Patrick HillCounselor1174401962
  27. Shyan Hill, RNEmergency Registered Nurse1881491819
  28. Keshia HindsBehavior Technician1427865534
  29. Hunter HinenBehavior Technician1811723737
  30. Anthony Hinton, DDSDentist1992915367
  31. Christa HintonPediatric Occupational Therapist1730937103
  32. David Hipes, LSWSocial Worker1093685638
  33. Le-An HoOccupational Therapist1023987963
  34. Tahnee Hodge, LAC.Acupuncturist1588246821
  35. Abigail HodgesPediatrics Physician1417256652
  36. Molly Hodul, RDRegistered Dietitian1104435908
  37. Savana HoelscherMental Health Counselor1063386126
  38. Lindsay HofferSpeech-Language Pathologist1144771981
  39. Alexandria HoffmanCounselor1477430221
  40. Nailah HoganBehavior Analyst1881361871
  41. George Hogenson, PH.D. LCSWClinical Social Worker1316060296
  42. Julia Hogikyan, LCSWSocial Worker1336842772
  43. Barbara Hollaran, OTR/LOccupational Therapist1275708356
  44. Charlotte HolleyClinical Social Worker1487370250
  45. Michelle Holliday, PH.DClinical Psychologist1255515839
  46. Brandon Hollie, AMFTMarriage & Family Therapist1235882788
  47. Judith Hollis, RPHPharmacist1285752501
  48. Ashley Holman, RD, LDN, CDERegistered Dietitian1598028979
  49. Elizabeth HoltCommunity Health Worker1497528475
  50. Carol Hoogenboom, PSY.DClinical Psychologist1326186974

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 Park, Illinois appears in the CMS National Plan and Provider Enumeration System with 2,307 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 Park - 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 Park 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 Park is weighted toward Clinical Social Worker (281 clinicians, followed by Behavior Technician with 240 and Mental Health Counselor with 138). 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 Park reports roughly 18.4 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.

For Oak Park 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 Park, IL?

There are 2,307 registered healthcare providers in Oak Park, IL, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Oak Park?

The most common specialties in Oak Park are Clinical Social Worker, Behavior Technician, Mental Health Counselor, Professional Counselor, Physical Therapist. Clinical Social Worker has the most providers with 281.

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.