DR. WALTER F KERWIN (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1457397556
Clinical Cardiac Electrophysiology Physician
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NPPES metrics only — not quality of care.
491 CARDIOVASCULAR DISEASE (CARDIOLOGY) in KY
Provider Addresses for DR. WALTER F KERWIN (M.D.)
800 Rose St
Lexington, KY 405365913
Phone: (859) 323-0295
Type: Location
8631 W 3rd St Ste 1017E
Los Angeles, CA 900485913
Phone: (310) 289-0141
Fax: (310) 289-0144
Type: Location
1200 N Beaver St
Flagstaff, AZ 860013118
Phone: (928) 779-3366
Type: Location
700 S Park St Ste A
Madison, WI 537151830
Phone: (608) 260-2900
Fax: (608) 260-2956
Type: Location
407 S Schwartz Ave Ste 202
Farmington, NM 874015925
Phone: (505) 609-6770
Fax: (505) 609-6775
Type: Location
8631 W 3RD ST STE 1017E
LOS ANGELES, CA 900485913
Phone: (310) 289-0141
Fax: (310) 289-0144
Type: Mailing
Bay Area Hospital, 1775, Thompson Road, Coos Bay, Coos County, Oregon, 97420, United States
COOS BAY, OR 974202125
Phone: (541) 269-8111
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $1,997.
Total Amount is formed as General ($1,997) + Research ($0) + Ownership ($0) = $1,997.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Medtronic, Inc. ($1,359).
Total Amount
$1,997
General + Research + Ownership
Payments
25
Total payment records
General Amount
$1,997
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. | $1,359 |
| Abbott Laboratories | $373 |
| Boston Scientific Corporation | $203 |
| Lexicon Pharmaceuticals, Inc. | $35 |
| iRhythm Technologies, Inc. | $27 |
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: 2025-07-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20061218000582 | I | Cardiovascular Disease (Cardiology) | CA | TBD |
| I20200604000721 | I | Cardiac Electrophysiology | OR | TBD |
| I20240112000729 | I | Cardiovascular Disease (Cardiology) | AK | TBD |
| I20250703002587 | I | Cardiac Electrophysiology | ND | 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 | 477 | 387 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 100 | 51 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 94 | 61 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 82 | 62 | $0 |
| 93280 | Programming of dual lead pacemaker system | 81 | 34 | $0 |
Insurance plans in this area (ZIP 40536)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | ND | |
| A N E S T H E S I O L O G Y | IN | |
| - | ND | |
| H O S P I T A L I S T | ND | |
| Certified Registered Nurse Anesthetist (Crna) | ND | |
| N E P H R O L O G Y | KY | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | RI | |
| - | NY | |
| - | ND | |
| Internal Medicine, Hospitalist | NC |
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