Quick answers
- Does Adam J. Cohen accept Medicare assignment?
- Medicare's clinician data says Adam J. Cohen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Adam J. Cohen see?
- In 2024, CMS data shows 387 Original Medicare patients and 2,114 services for Adam J. Cohen. This counts Original Medicare only and measures volume, not quality.
- What is Adam J. Cohen's NPI number?
- 1366458275. 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 Adam J. Cohen, 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 | 387 |
|---|---|
| Services billed to Medicare | 2,114 |
| Different services or procedures | 66 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)182 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)133 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)112 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)64 services
- Probing of nasal tear duct (68840)43 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 cholesterol75%
- High blood pressure72%
- Arthritis52%
- Ischemic heart disease29%
- Diabetes28%
- Anxiety28%
Hospitals where Adam J. Cohen works
Medicare's Facility Affiliation Data lists Adam J. Cohen 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.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
- Saint Francis Hospital-EvanstonEvanston, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140080
Practice locations
Addresses where Adam J. Cohen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1555 Barrington Rd, Suite 320Hoffman Estates, IL 60169 (847) 882‑5848
- 1604 W Central RdArlington Heights, IL 60005 (847) 394‑1414
- 2551 Compass Rd, Suite 125Glenview, IL 60026 (847) 834‑0390
- 2591 Compass Rd, Suite 115Glenview, IL 60026
- 650 Spring Hill Ring Rd, Suite 2020West Dundee, IL 60118
Group practices
Medicare enrollment lists Adam J. Cohen as a member of these groups (CMS data updated October 2, 2026).
- Arlington Eye Physicians LLC7 clinicians in the group
- Simpson Eye Physicians and Surgeons PLLC5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Hoffman Estates
Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.
Other clinicians in Arlington Eye Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1366458275 |
| 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