DR. BRIAN G. KEEFFE (M.D.) – Cardiovascular Disease Physician, NPI 1689664492
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA
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Provider Addresses for DR. BRIAN G. KEEFFE (M.D.)
2, Bon Air Road, Skylark, Larkspur, Marin County, California, 94939, United States
#100
LARKSPUR, CA 949391141
Phone: (415) 927-0666
Fax: (415) 927-6168
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 8 Open Payments records for all available years, with a total value of $278.
Total Amount is formed as General ($278) + Research ($0) + Ownership ($0) = $278.
Last reported payment date: 2024-09-13 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($138).
Total Amount
$278
General + Research + Ownership
Payments
8
Total payment records
General Amount
$278
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-13
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-07-08
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 |
|---|---|---|---|---|
| I20040708000819 | I | Cardiovascular Disease (Cardiology) | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,294 | 827 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 493 | 480 | $0 |
| 93793 | Anticoagulant management of patient taking warfarin | 399 | 21 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 326 | 293 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 282 | 161 | $0 |
Insurance plans in this area (ZIP 94939)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 701 | 545 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 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 |
|---|---|---|
| General Surgery | CA | |
| Cardiac Electrophysiology, Internal Medicine, Nuclear Medicine, Cardiovascular Disease (Cardiology) | CA | |
| Surgical Oncology | CA | |
| Orthopedic Surgery | CA | |
| Orthopedic Surgery, Sports Medicine | CA | |
| - | CA | |
| P S Y C H I A T R Y | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | CA |
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