DR. MARK E WILLCOX (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1336395599
Clinical Cardiac Electrophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5 CARDIAC ELECTROPHYSIOLOGY in AK
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Provider Addresses for DR. MARK E WILLCOX (M.D.)
3841 PIPER ST STE T100
ANCHORAGE, AK 995084674
Phone: (907) 561-3211
Fax: (907) 562-7547
Type: Mailing
PO BOX 200149
ANCHORAGE, AK 995200149
Phone: (907) 561-3211
Fax: (907) 562-7547
Type: Mailing
3841, Piper Street, Anchorage, Alaska, 99508, United States
SUITE T-100
ANCHORAGE, AK 995084624
Phone: (907) 561-3211
Fax: (907) 562-7547
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 41 Open Payments records for all available years, with a total value of $6,094.
Total Amount is formed as General ($6,094) + Research ($0) + Ownership ($0) = $6,094.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Medtronic, Inc. ($4,850).
Total Amount
$6,094
General + Research + Ownership
Payments
41
Total payment records
General Amount
$6,094
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 |
|---|---|
| Medtronic, Inc. | $4,850 |
| Abbott Laboratories | $475 |
| Boston Scientific Corporation | $211 |
| Biosense Webster, Inc. | $165 |
| Impulse Dynamics (USA) Inc. | $154 |
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: 2016-10-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20160812000443 | I | Cardiac Electrophysiology | AK | TBD |
| I20161010002122 | I | Cardiac Electrophysiology | TX | 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 |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 416 | 374 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 134 | 126 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 123 | 123 | $0 |
| 33208 | Insertion of pacemaker and upper and lower heart chamber electrode | 58 | 58 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 55 | $0 |
Insurance plans in this area (ZIP 99508)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | AK | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AK | |
| Nurse Practitioner | WA | |
| - | AK | |
| Cardiovascular Disease (Cardiology), Internal Medicine, Interventional Cardiology | AK | |
| Nurse Practitioner | AK | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | AK | |
| Nurse Practitioner | AK | |
| Cardiovascular Disease (Cardiology) | AK | |
| Nurse Practitioner | AK | |
| - | AK |
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