DR. BRIAN MARK CHESNIE (M.D.) – Specialist, NPI 1831196609
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
313 CARDIAC ELECTROPHYSIOLOGY in CA
Provider Addresses for DR. BRIAN MARK CHESNIE (M.D.)
PO BOX 1728
NEWPORT BEACH, CA 926590728
Phone: (949) 574-4953
Fax: (949) 229-6297
Type: Mailing
1501 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 926633641
Phone: (949) 574-4953
Fax: (949) 229-6297
Type: Location
212, Superior Avenue, Newport Heights, Newport Beach, Orange County, California, 92663, United States
NEWPORT BEACH, CA 926633640
Phone: (949) 574-4953
Fax: (949) 229-6297
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $374.
Total Amount is formed as General ($374) + Research ($0) + Ownership ($0) = $374.
Last reported payment date: 2024-01-22 • Largest payer in this snapshot: Medtronic, Inc. ($215).
Total Amount
$374
General + Research + Ownership
Payments
2
Total payment records
General Amount
$374
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $215 |
| Shockwave Medical, Inc | $159 |
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: 2010-09-27
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20100927001304 | I | Cardiac Electrophysiology | CA | 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 |
|---|---|---|---|---|
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 1,462 | 96 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 973 | 596 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 963 | 99 | $0 |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 850 | 98 | $0 |
| 93015 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 537 | 480 | $0 |
Insurance plans in this area (ZIP 92659)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | CA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 88 | 88 |
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