Physician Profile
William D. Keen Jr., MD
Unclaimed ProfileAbout Dr. Keen Jr.
Based in San Diego, CA, William D. Keen Jr., MD is listed in the NPI registry under cardiovascular disease. William graduated from Rutgers New Jersey Medical School in 1986. Medicare claims data shows William provided 1,138 services to 893 patients. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, injection, octafluoropropane microspheres, per ml, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (800) 926-8273
- Email not available
Practice Locations
200 W ARBOR DR
San Diego, CA 92103
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
1,138 services · 893 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| 3d radiographic procedure | Imaging | 76376 |
28 | As often as other peers in Cardiovascular Disease |
| 3d radiographic procedure | Imaging | 76376 |
12 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
305 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
89 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
28 | As often as other peers in Cardiovascular Disease |
| Heart muscle strain imaging | Treatment | 93356 |
22 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart, follow-up | Treatment | 93308 |
19 | Less often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
18 | Less often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
17 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
15 | Less often than most peers in Cardiovascular Disease |
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 cardiologists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other cardiologists in San Diego 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Rutgers New Jersey Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs 3d radiographic procedure 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Keen Jr. specialize in?
Dr. Keen Jr. is a cardiologist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is Dr. Keen Jr. located?
Dr. Keen Jr. is listed at 200 W Arbor Dr, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Keen Jr.'s phone number?
The number on file is (800) 926-8273. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Keen Jr.?
Dr. Keen Jr.'s National Provider Identifier is 1962561571. 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. Keen Jr. go to medical school?
Dr. Keen Jr. attended Rutgers New Jersey Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Keen Jr. have?
Dr. Keen Jr. has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Keen Jr. do most often?
According to Medicare billing data, Dr. Keen Jr. performs imaging including 3d radiographic procedure; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of heart with continuous electrocardiogram during rest, exercise and/or drug induced stress with review and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Keen Jr.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Keen Jr.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.