MARILYN MARGARET COX (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1265437412
Clinical Cardiac Electrophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARILYN MARGARET COX (M.D.)
1300, Medical Drive, Tallahassee, Leon County, Florida, 32308, United States
TALLAHASSEE, FL 323084646
Phone: (850) 216-0100
Fax: (850) 216-0138
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $1,383.
Total Amount is formed as General ($1,383) + Research ($0) + Ownership ($0) = $1,383.
Last reported payment date: 2024-09-07 • Largest payer in this snapshot: Medtronic, Inc. ($908).
Total Amount
$1,383
General + Research + Ownership
Payments
51
Total payment records
General Amount
$1,383
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $908 |
| Abbott Laboratories | $240 |
| Boston Scientific Corporation | $102 |
| CARDIVA MEDICAL, INC. | $95 |
| ABBVIE INC. | $20 |
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: 2010-05-10
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 |
|---|---|---|---|---|
| I20100510000471 | I | Cardiac Electrophysiology | FL | 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 | 554 | 435 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 428 | 235 | $0 |
| 93298 | Evaluation of cardiac rhythm monitor system, remote up to 30 days | 421 | 92 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 281 | 237 | $0 |
| 93280 | Programming of dual lead pacemaker system | 261 | 229 | $0 |
Insurance plans in this area (ZIP 32308)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | FL | 71250 | CT scan chest | 73 | 63 |
| CARDIAC ELECTROPHYSIOLOGY | FL | 74177 | CT scan of abdomen and pelvis with contrast | 70 | 70 |
| CARDIAC ELECTROPHYSIOLOGY | FL | 83036 | Hemoglobin A1C level | 17 | 17 |
| CARDIAC ELECTROPHYSIOLOGY | FL | 85610 | Blood test, clotting time | 552 | 59 |
| CARDIAC ELECTROPHYSIOLOGY | FL | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 91 | 77 |
| CARDIAC ELECTROPHYSIOLOGY | FL | 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | 29 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| R H E U M A T O L O G Y | KY | |
| Cardiovascular Disease (Cardiology), Internal Medicine | FL | |
| Physician Assistant | FL | |
| E N D O C R I N O L O G Y | MN | |
| - | FL | |
| Internal Medicine | FL | |
| - | IA | |
| Physician Assistant | FL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | OH |
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