Physician Profile
Unclaimed ProfileAbout KEEFFE
Brian G. Keeffe, M.D. practices cardiovascular disease (cardiology) in Larkspur, CA. Brian is a 1998 graduate of Georgetown University School of Medicine. Brian is also listed as specializing in internal medicine and cardiovascular disease. According to Medicare claims data, Brian cared for 3,701 Medicare patients across 5,328 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 927-0666
- Email not available
Practice Locations
2 BON AIR RD #100
Larkspur, CA 94939
Procedures Most Often Billed to Medicare
5,328 services · 3,701 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
361 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
308 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
301 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
207 |
| Test for exercise-induced heart and lung stress | Treatment | 94621 |
82 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
73 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
70 |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Treatment | 93242 |
57 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
51 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
38 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other cardiovascular diseases in Larkspur 4
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Georgetown University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Anticoagulant management of patient taking warfarin 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Keeffe specialize in?
Dr. Keeffe is a cardiovascular disease (cardiology) in Larkspur, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Keeffe located?
Dr. Keeffe is listed at 2 BON AIR RD #100, Larkspur, CA 94939. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Keeffe's phone number?
The number on file is (415) 927-0666. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Keeffe's NPI number?
Dr. Keeffe's National Provider Identifier is 1689664492. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Keeffe go to medical school?
Dr. Keeffe attended Georgetown University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Keeffe been practicing?
Dr. Keeffe has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Keeffe do most often?
According to Medicare billing data, Dr. Keeffe provides treatments such as anticoagulant management of patient taking warfarin and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Keeffe confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Keeffe. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.