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Obstetrics/Gynecology

Patricia H. Oleary, MD

Works at hospitals in Park Ridge, IL · Illinois

Summary

Dr. Patricia H. Oleary, MD is an OB-GYN at 1412 Waukegan Rd, Glenview, IL 60025. Phone: (847) 901-9880. Accepts Medicare assignment. In 2024, Patricia H. Oleary had 39 Original Medicare patients and 58 services. NPI 1629036983. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1412 Waukegan Rd, Glenview, IL 60025 · Directions (3 more locations)
  • Phone: (847) 901‑9880
  • Medicare: Accepts Medicare assignment
  • Hospital: Advocate Lutheran General Hospital
  • Group practice: Advocate Health and Hospitals Corporation
  • Medical school: Georgetown University School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia H. Oleary, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Patricia H. Oleary accept Medicare assignment?
Yes. Medicare's clinician data says Patricia H. Oleary accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Patricia H. Oleary see?
In 2024, CMS data shows 39 Original Medicare patients and 58 services for Patricia H. Oleary. This counts Original Medicare only and measures volume, not quality.
What is Patricia H. Oleary's NPI number?
1629036983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Patricia H. Oleary, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients39
Services billed to Medicare58
Different services or procedures15
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol72%
  • High blood pressure67%
  • Arthritis41%
  • Osteoporosis31%

Hospitals where Patricia H. Oleary works

Medicare's Facility Affiliation Data lists Patricia H. Oleary at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Patricia H. Oleary is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1412 Waukegan RdGlenview, IL 60025 (847) 901‑9880
  • 1775 Dempster StPark Ridge, IL 60068
  • 1875 Dempster StPark Ridge, IL 60068
  • 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160

Group practices

Medicare enrollment lists Patricia H. Oleary as a member of this group (CMS data updated October 2, 2026).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Glenview

Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.

All OB-GYNs in Glenview →

Other clinicians in Advocate Health and Hospitals Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629036983
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians