Physician Profile
Onkarjit S. Marwah, M.D.
Unclaimed ProfileAbout Dr. Marwah
Based in Glendale, CA, Onkarjit S. Marwah, M.D. is listed in the NPI registry under cardiovascular disease. Onkarjit graduated from Foreign Dental Schools in 1986. According to Medicare claims data, Onkarjit cared for 4,530 Medicare patients across 7,207 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
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
- (818) 243-9600
- Email not available
Practice Locations
660 W BROADWAY
Glendale, CA 91204
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
7,207 services · 4,530 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
135 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
1,332 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
368 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
183 | Less often than most peers in Cardiovascular Disease |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
97 | More often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,139 | More than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
900 | More than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
429 | More often than most peers in Cardiovascular Disease |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
242 | As often as other peers in Cardiovascular Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
234 | More 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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 13 related providers in 2 groups
Other cardiologists in Glendale 5
Same specialty, same city.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Onkarjit S. Marwah specialize in?
Onkarjit S. Marwah is a cardiologist in Glendale, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is Onkarjit S. Marwah located?
Onkarjit S. Marwah is listed at 660 W Broadway, Glendale, CA 91204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Onkarjit S. Marwah's phone number?
The number on file is (818) 243-9600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Onkarjit S. Marwah's NPI number?
Onkarjit S. Marwah's National Provider Identifier is 1255314514. 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 Onkarjit S. Marwah train?
Onkarjit S. Marwah attended Foreign Dental Schools, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Onkarjit S. Marwah been practicing?
Onkarjit S. Marwah has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Onkarjit S. Marwah do most often?
According to Medicare billing data, Onkarjit S. Marwah performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Onkarjit S. Marwah confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Onkarjit S. Marwah. 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.