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Edit this profileWhere to find Derek Q. Phan, MD
- Temescal Valley location main office
21634 Retreat Pkwy, Temescal Valley, CA 92883 - Los Angeles location
4733 W Sunset Blvd, Los Angeles, CA 90027 - Appleton location
1818 N Meade St, Appleton, WI 54911 - Corona location
800 S Main St, Corona, CA 92882
About Dr. Phan
Based in Temescal Valley, CA, Derek Q. Phan, MD is listed in the NPI registry under cardiovascular disease. Derek is also listed as specializing in internal medicine and interventional cardiology. According to Medicare claims data, Derek cared for 27 Medicare patients across 27 services. The services billed most often include use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes and insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist. NPI 1598184244 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (951) 493-6650
- Email not available
Practice Locations
21634 RETREAT PKWY
Temescal Valley, CA 92883
4733 W Sunset Blvd
Los Angeles, CA 90027
1818 N Meade St
Appleton, WI 54911
800 S Main St
Corona, CA 92882
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
- AFib
- Congestive heart failure
- Heart attack
- Heart disease
- High blood pressure
- High cholesterol
Coronary and ischemic heart disease
- Coronary artery disease
- Stable angina
Heart failure and cardiomyopathy
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
Heart rhythm
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Symptoms and functional disorders
- Fainting and syncope
- Heart palpitations
- Postural orthostatic tachycardia syndrome
Valve and structural heart
- Aortic stenosis
- Mitral regurgitation
- Mitral valve prolapse
- Patent foramen ovale
Vascular and risk factors
- Aortic aneurysm
- Carotid artery disease
- Familial hypercholesterolemia
- Resistant hypertension
Artery & vascular
- Peripheral Artery Disease (PAD)
Heart inflammation
- Pericarditis (Heart Sac Inflammation)
Heart muscle
- Poor Circulation and Swollen Legs
Heart valves
- Heart Murmur
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Office and noninvasive testing
- Ambulatory blood-pressure monitoring
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
- Cardiopulmonary Exercise Testing (CPET)
- Tilt Table Test
Diagnostics
- Electrophysiology Study (EP Study)
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
- Heart CT Scan (Cardiac CT)
Heart procedures
- Heart Fluid Drainage (Pericardiocentesis)
Heart rhythm procedures
- Radiofrequency ablation
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
Procedures Most Often Billed to Medicare
27 services · 27 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
14 | Less often than most peers in Cardiovascular Disease |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
13 | 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 1
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Phan specialize in?
Dr. Phan is a cardiologist in Temescal Valley, 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. Phan located?
Dr. Phan is listed at 21634 Retreat Pkwy, Temescal Valley, CA 92883. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Phan's phone number?
The number on file is (951) 493-6650. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Phan's NPI number?
Dr. Phan's National Provider Identifier is 1598184244. 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. Phan go to medical school?
Dr. Phan attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Phan been practicing?
Dr. Phan has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Phan do most often?
According to Medicare billing data, Dr. Phan provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Phan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Phan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.