JAMES ROBERT MCMAHON (M.D.) – Cardiovascular Disease Physician, NPI 1386683399
Cardiovascular Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,594 CARDIOVASCULAR DISEASE (CARDIOLOGY) in IL
Provider Addresses for JAMES ROBERT MCMAHON (M.D.)
11 Salt Creek Ln
Hinsdale, IL 605218601
Phone: (630) 789-3422
Fax: (630) 789-9093
Type: Location
11, Salt Creek Lane, Fullersburg, Hinsdale, DuPage County, Illinois, 60521, United States
HINSDALE, IL 605218601
Phone: (630) 789-3422
Fax: (630) 789-9093
Type: Location
Frontage Road, Woodridge, DuPage County, Illinois, 60517, United States
SUITE 325
WOODRIDGE, IL 605174903
Phone: (630) 789-3422
Fax: (630) 789-9093
Type: Mailing
908 N ELM ST STE 404
HINSDALE, IL 605213638
Phone: (630) 789-3422
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $127.
Total Amount is formed as General ($127) + Research ($0) + Ownership ($0) = $127.
Last reported payment date: 2024-07-10 • Largest payer in this snapshot: Boston Scientific Corporation ($58).
Total Amount
$127
General + Research + Ownership
Payments
5
Total payment records
General Amount
$127
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $58 |
| Novartis Pharmaceuticals Corporation | $44 |
| Abbott Laboratories | $24 |
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: 2006-07-28
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 |
|---|---|---|---|---|
| I20060728000163 | I | Cardiovascular Disease (Cardiology) | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,062 | 880 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 472 | 369 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 417 | 186 | $0 |
| 93793 | Anticoagulant management of patient taking warfarin | 254 | 35 | $0 |
| 85610 | Blood test, clotting time | 217 | 29 | $0 |
Insurance plans in this area (ZIP 60521)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | IL | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 188 | 188 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | IL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 1260 | 1031 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Thoracic Surgery, Cardiac Surgery | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| - | IL | |
| Advanced Heart Failure And Transplant Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL |
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