NPPES file of Aug 9, 2026

Doctors and health care providers in Chicago, IL

63,379 individual NPPES records list a practice address in Chicago, 1st of 541 Illinois cities. The largest group is clinical social worker: 4,368, 7% of the city's records, against 6% across Illinois. Page 391 of 1,268.

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 Chicago

  1. Clinical Social Worker4,368
  2. Students in training3,509
  3. Internal Medicine Physician2,867
  4. Physical Therapist2,639
  5. Professional Counselor2,405
  6. Mental Health Counselor2,130
  7. Pharmacist1,906
  8. Speech-Language Pathologist1,753

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

Chicago in Illinois

  • Rank in Illinois1st of 541 cities by records
  • Share of the state26.4% of Illinois's records
  • Specialties present25 or more taxonomy codes
  • Top three groups17% of all records
  • Clinical Social Worker rank1st of the 10 Illinois cities with the most

Compared with Illinois as a whole, Chicago has 2× the state's share of student in an organized health care education/training program records and 0.54× its share of behavior technician records.

Providers in Chicago, alphabetically

  1. Seth Glasbrenner, PHARM DPharmacist1649551888
  2. Dana Glasenhardt, AUDAudiologist1619124179
  3. Dina Glaser, PSYDClinical Psychologist1356614093
  4. Ethan Glaser, MD, PHDStudent in an Organized Health Care Education/Training Program1497559041
  5. Laura Glaser, M.D.Obstetrics & Gynecology Physician1083974885
  6. Mitchell Glaser, MD.Psychiatry Physician1598789521
  7. Robert Glaser, MSW. LCSWClinical Social Worker1497763569
  8. Suzanne Glaser, OTR/LOccupational Therapist1528144821
  9. Key'Aira Glasper, LCSWClinical Social Worker1316654171
  10. Anna Glass, MA, LCPCMental Health Counselor1033434238
  11. Dianne GlassUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1427379221
  12. Nicole Glass, MACounselor1447820766
  13. Sharon Glassburn, LMFTMarriage & Family Therapist1396264198
  14. Myron Glassenberg, MDNeurology Physician1487758850
  15. Raymond Glassenberg, MDAnesthesiology Physician1447288170
  16. Susan GlassenbergOccupational Therapist1528137585
  17. Nathaniel Glasser, M.D.Internal Medicine Physician1932633120
  18. Anne Glassgow, PHDClinical Social Worker1164188801
  19. Adam Glassman, MDEmergency Medicine Physician1669614392
  20. Jeffrey Glassroth, MDPulmonary Disease Physician1699703413
  21. Georgia Glastris, MDStudent in an Organized Health Care Education/Training Program1164166187
  22. Kara Glavan, PT, DPTPhysical Therapist1245907906
  23. Michael Glavin, LMFTMarriage & Family Therapist1134547573
  24. Tara Glavin, MA, BCBABehavior Analyst1003214487
  25. Kathryn Glaybo, RNRegistered Nurse1659295459
  26. Karen GlazaClinical Social Worker1114426491
  27. Gary GlaznerPoetry Therapist1902610975
  28. Anne Gleason, ED.S.Mental Health Counselor1083186514
  29. Anne GleasonPediatric Occupational Therapist1417528506
  30. Anton Gleason, MA., NCC., LCPCProfessional Counselor1962860080
  31. Brooke GleasonOtolaryngology Physician1407528052
  32. Cameron GleasonStudent in an Organized Health Care Education/Training Program1891641056
  33. Carok Gleason, PTPhysical Therapist1003064015
  34. Clare GleasonClinical Social Worker1225667876
  35. Elizabeth Gleason, LCPCProfessional Counselor1700320090
  36. Emily GleasonObstetrics & Gynecology Physician1003675406
  37. Kathleen Gleason, LCSWClinical Social Worker1942728852
  38. Lauren GleasonGeriatric Medicine (Internal Medicine) Physician1780826560
  39. Loyola Gleason, D.D.S.Periodontics1700915105
  40. Lucia Gleason, M.D.Family Medicine Physician1487031407
  41. Natalie Glebiv, O.D.Optometrist1013365188
  42. Amanda Gledhill, RDN, LDNRegistered Dietitian1134627748
  43. Emily Gleesing, DPTPhysical Therapist1003424458
  44. Richard Gleiner, L.C.S.WClinical Social Worker1407093057
  45. Tali Gleiser, MA, MSWSocial Worker1467196493
  46. Paul Gleixner, M.D.Obstetrics & Gynecology Physician1912101254
  47. Cameron GlennBehavior Technician1205681459
  48. Cavin Glenn, MDSurgery Physician1932359759
  49. Christopher Glenn, CRNA, MSNCertified Registered Nurse Anesthetist1013389261
  50. Dianne Glenn, RNC CADC MISAIIMental Health Counselor1952424871

The largest Illinois cities

  1. Springfield4,997
  2. Naperville4,634
  3. Peoria4,621
  4. Evanston4,013
  5. Rockford3,893

All of Illinois →

How to read this directory

Chicago, Illinois appears in the CMS National Plan and Provider Enumeration System with 63,379 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 Chicago - 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 Chicago 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 Chicago is weighted toward Clinical Social Worker (4,368 clinicians, followed by Student in an Organized Health Care Education/Training Program with 3,509 and Internal Medicine Physician with 2,867). 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, Chicago reports roughly 505 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 Chicago 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 Chicago, IL?

There are 63,379 registered healthcare providers in Chicago, IL, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Chicago?

The most common specialties in Chicago are Clinical Social Worker, Student in an Organized Health Care Education/Training Program, Internal Medicine Physician, Physical Therapist, Professional Counselor. Clinical Social Worker has the most providers with 4,368.

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.