MICHAEL L COHAN (MD) – Nephrology Physician, NPI 1144271297
Nephrology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
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Provider Addresses for MICHAEL L COHAN (MD)
4201 WINFIELD RD FL 4
WARRENVILLE, IL 605554025
Phone: (331) 221-6377
Fax: (331) 221-2357
Type: Mailing
133, East Brush Hill Road, Elmhurst, DuPage County, Illinois, 60126, United States
SUITE 310
ELMHURST, IL 60126
Phone: (331) 221-9003
Fax: (331) 221-2743
Type: Location
172, Schiller Street, Elmhurst, DuPage County, Illinois, 60126, United States
ELMHURST, IL 601262885
Phone: (331) 221-6377
Fax: (331) 221-2701
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 45 Open Payments records for all available years, with a total value of $1,829.
Total Amount is formed as General ($1,829) + Research ($0) + Ownership ($0) = $1,829.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Amgen Inc. ($469).
Total Amount
$1,829
General + Research + Ownership
Payments
45
Total payment records
General Amount
$1,829
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $469 |
| AstraZeneca Pharmaceuticals LP | $371 |
| Ardelyx, Inc. | $213 |
| Aurinia Pharma U.S., Inc. | $200 |
| Travere Therapeutics, Inc. | $165 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-08-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090813000150 | I | Nephrology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 381 | 115 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 216 | 128 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 129 | 27 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 77 | 69 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 69 | 63 | $0 |
Insurance plans in this area (ZIP 60555)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
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