Quick answers
- Does Jeffrey W. Hamilton accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey W. Hamilton 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 Jeffrey W. Hamilton see?
- In 2024, CMS data shows 625 Original Medicare patients and 1,607 services for Jeffrey W. Hamilton. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey W. Hamilton's NPI number?
- 1912990052. 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 Jeffrey W. Hamilton, 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 patients | 625 |
|---|---|
| Services billed to Medicare | 1,607 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)545 services
- Test to measure expiratory airflow and volume (94010)191 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)153 services
- Test to determine lung volumes using sensors (94726)105 services
- Test to examine how well the lungs exchange gases (94729)105 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 blood pressure75%
- High cholesterol75%
- Arthritis59%
- COPD52%
- Ischemic heart disease41%
- Heart failure34%
Hospitals where Jeffrey W. Hamilton works
Medicare's Facility Affiliation Data lists Jeffrey W. Hamilton 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.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
- Swedish HospitalChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140114
Practice locations
Addresses where Jeffrey W. Hamilton is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 2100 Pfingsten RdGlenview, IL 60026
- 2151 Waukegan RdBannockburn, IL 60015
- 2650 Ridge AveEvanston, IL 60201
- 51 Waukegan Rd, Suite 100Bannockburn, IL 60015 (908) 219‑7678
- 767 Park Ave W, Suite 110Highland Park, IL 60035 (847) 926‑6810
Group practices
Medicare enrollment lists Jeffrey W. Hamilton as a member of this group (CMS data updated October 2, 2026).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
Other pulmonologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Endeavor Health Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912990052 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians