NATHAN MICHAEL SEGERSON (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1841303534
Clinical Cardiac Electrophysiology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
637 CARDIOVASCULAR DISEASE (CARDIOLOGY) in WA
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Provider Addresses for NATHAN MICHAEL SEGERSON (M.D.)
2709, Hemlock Street, Sheridan Park, Bremerton, Kitsap County, Washington, 98310, United States
BREMERTON, WA 983102623
Phone: (360) 782-6000
Fax: (253) 426-6344
Type: Location
2709 Hemlock St
Bremerton, WA 983102623
Phone: (360) 782-6000
Fax: (253) 426-6344
Type: Location
209 MARTIN LUTHER KING JR WAY
TACOMA, WA 984054265
Phone: (253) 596-3000
Fax: (253) 596-3301
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $586.
Total Amount is formed as General ($586) + Research ($0) + Ownership ($0) = $586.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Abbott Laboratories ($161).
Total Amount
$586
General + Research + Ownership
Payments
9
Total payment records
General Amount
$586
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $161 |
| Edwards Lifesciences Corporation | $139 |
| Boston Scientific Corporation | $132 |
| CORDIS US CORP. | $84 |
| Impulse Dynamics (USA) Inc. | $57 |
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: 2023-08-29
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 |
|---|---|---|---|---|
| I20080806000374 | I | Cardiac Electrophysiology | WA | TBD |
| I20230829003800 | I | Cardiovascular Disease (Cardiology) | OR | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 98310)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | WA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 37 | 37 |
| CARDIAC ELECTROPHYSIOLOGY | WA | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | WA | |
| Nurse Practitioner | WA | |
| - | IL | |
| O P H T H A L M O L O G Y | OR | |
| O P H T H A L M O L O G Y | WA | |
| Nurse Practitioner | WA | |
| Family Practice | WA | |
| Interventional Radiology, Diagnostic Radiology | OH | |
| Physician Assistant | ID | |
| Clinical Psychologist | WA |
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