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Edit this profileAt a glance
- 227 W Janss Rd Ste 340, Thousand Oaks, CA 91360
About Dr. Hasan
Irsa S. Hasan, MD is a healthcare provider in Thousand Oaks, CA specializing in thoracic surgery (cardiothoracic). Irsa trained at University of Nebraska College of Medicine, graduating in 2012. According to Medicare claims data, the services billed most often include coronary artery bypass using artery graft, 1 graft. This provider record is associated with NPI 1932553948.
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
- (805) 852-9100
- Email not available
Practice Locations
227 W JANSS RD STE 340
Thousand Oaks, CA 91360
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
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
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
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
11 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
11 | Less 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 Thousand Oaks 7
Same specialty, same city.
Trained at University of Nebraska College 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 Nebraska College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Coronary artery bypass using artery graft, 1 graft 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Hasan specialize in?
Dr. Hasan is a thoracic surgery (cardiothoracic) in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Hasan located?
Dr. Hasan is listed at 227 W Janss Rd Ste 340, Thousand Oaks, CA 91360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hasan's phone number?
The number on file is (805) 852-9100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Hasan's NPI number?
Dr. Hasan's National Provider Identifier is 1932553948. 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. Hasan go to medical school?
Dr. Hasan attended University of Nebraska College of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hasan been practicing?
Dr. Hasan has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hasan do most often?
According to Medicare billing data, Dr. Hasan performs procedures including coronary artery bypass using artery graft, 1 graft. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hasan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hasan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.