Physician Profile
Raffi A. Kotoyan, MD
Unclaimed ProfileAbout Dr. Kotoyan
Raffi A. Kotoyan, MD is a healthcare provider in Northridge, CA specializing in thoracic surgery (cardiothoracic). Raffi trained at University of Louisville School of Medicine, graduating in 2012. Medicare claims data shows Raffi provided 236 services to 236 patients. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes.
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) 993-4471
- Email not available
Practice Locations
18350 ROSCOE BLVD STE 201
Northridge, CA 91325
1700 N Rose Ave Ste 135
Oxnard, CA 93030
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery 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
Airway
- Floppy Windpipe
- Hole Between Windpipe and Food Pipe
- Narrowed windpipe
- Windpipe Cancer
Chest tumors
- Mass between the lungs
- Thymus tumor
Chest wall
- Broken ribs
- Chest wall tumor
- Pigeon chest
- Slipping Rib Syndrome
- Sunken chest
Diaphragm
- Diaphragmatic hernia
- Paralyzed diaphragm
Esophagus
- Esophagus Spasms
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
- Pericardial effusion
Infection
- Deep Chest Infection
Lung
- Bronchiectasis
- Congenital Lung Malformation
- Lung Bullae
- Persistent Air Leak
- Pulmonary fibrosis
Lung cancer
- Cancer Spread to the Lung
- Lung cancer
- Mesothelioma
Lung conditions
- Collapsed lung
- COPD
- Coughing up blood
- Fluid around the lungs
- Lung abscess
- Suspicious Lung Spot
Nerves
- Severe Facial Blushing
Nerves and blood vessels
- Thoracic outlet syndrome
Neuromuscular
- Myasthenia gravis
Pleural disease
- Asbestos lung damage
- Lymph Fluid Leak in Chest
Sweating disorders
- Excessive sweating
- Excessive underarm sweating
Trauma
- Broken Breastbone
Vascular
- Blocked Chest Vein
Procedures & services
Airway
- Surgical Tracheostomy
Airway surgery
- Airway surgery
- Windpipe stent placement
Chest tumors
- Chest tumor removal
- Thymus removal surgery
Chest wall
- Pigeon Chest Repair
- Slipping Rib Surgery
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
- Bronchoscopy
- Needle biopsy of lung
Diagnostics
- EBUS lung biopsy
- Robotic Navigational Bronchoscopy
- Surgical Lung Biopsy
Diaphragm
- Diaphragm Pacemaker Implantation
Diaphragm surgery
- Diaphragm repair surgery
Emphysema
- Lung Volume Reduction Surgery
Esophagus
- Achalasia Surgery
- Esophageal Pouch Surgery
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
- Chest tube insertion
- Draining lung fluid
- Permanent chest drain insertion
- Pleural sealing procedure
Heart lining
- Heart Fluid Drainage (Pericardiocentesis)
- Pericardial Window Surgery
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
- Surgery for Facial Blushing
Pleural disease
- Chest Lymph Duct Ligation
Robotic surgery
- Robotic chest surgery
Surgical approach
- Open Chest Surgery
Sweat surgery
- Surgery for sweaty hands
Transplant
- Lung Transplant
Trauma
- Broken Breastbone Surgery
Procedures Most Often Billed to Medicare
236 services · 236 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
33 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Harvest of vein using an endoscope | Procedure | 33508 |
31 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
28 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
14 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Ultrasonic guidance during surgery | Imaging | 76998 |
20 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
38 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
36 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
36 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
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.
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 thoracic surgery specialists in Northridge 4
Same specialty, same city.
Trained at University of Louisville School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2012 at University of Louisville School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Kotoyan specialize in?
Dr. Kotoyan is a thoracic surgery (cardiothoracic) in Northridge, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Kotoyan located?
Dr. Kotoyan is listed at 18350 Roscoe Blvd Ste 201, Northridge, CA 91325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Kotoyan's phone number?
The number on file is (818) 993-4471. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Kotoyan?
Dr. Kotoyan's National Provider Identifier is 1154680981. 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. Kotoyan go to medical school?
Dr. Kotoyan attended University of Louisville School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Kotoyan have?
Dr. Kotoyan has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Kotoyan do most often?
According to Medicare billing data, Dr. Kotoyan performs procedures including replacement of aortic valve through the skin and femoral artery, harvest of vein using an endoscope and coronary artery bypass using artery graft, 1 graft; reads or performs imaging such as ultrasonic guidance during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Kotoyan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kotoyan. 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.