IRSA SHOIAB HASAN MD
NPI 1932553948
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Thousand Oaks, CA
About Irsa Shoiab Hasan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRSA SHOIAB HASAN MD (NPI 1932553948) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Thousand Oaks, California, licensed in California (A191199) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Washington Hospital, The, and is a graduate of University Of Nebraska College Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Irsa Shoiab Hasan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Irsa Hasan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Washington Hospital, The
Acute Care Hospitals · Washington, PAUpmc Passavant
Acute Care Hospitals · Pittsburgh, PAUpmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Irsa Hasan's NPI number?
The NPI number for Irsa Hasan is 1932553948. It was assigned to this individual provider in the NPPES registry on April 15, 2016. The provider is also known as Irsa Shoiab MD.
Where is Irsa Hasan located?
Irsa Hasan practices at 227 W Janss Rd Ste 340, Thousand Oaks, CA 91360. The listed phone number is (805) 852-9100.
What is Irsa Hasan's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Irsa Hasan enrolled in Medicare?
Yes. Irsa Hasan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Irsa Hasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irsa Hasan reassigns Medicare benefits to University Of Pittsburgh Physicians (East Liverpool, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Irsa Hasan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Irsa Hasan affiliated with any hospitals?
According to CMS data, Irsa Hasan is affiliated with Washington Hospital, The, Upmc Passavant and Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Irsa Hasan was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Irsa Shoiab Hasan, MD · NPI 1932553948
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Thousand Oaks, California. Individual provider, active in the CMS NPPES registry since April 15, 2016.
## Identity
- **NPI:** 1932553948 (Entity type: Individual)
- **Enumerated:** April 15, 2016
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** A191199 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 227 W JANSS RD STE 340, Thousand Oaks, CA 91360-1879
- **Phone:** (805) 852-9100 · **Fax:** (805) 852-9101
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Pittsburgh Physicians (NPI 1811945793, East Liverpool, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 2012
## Record status
- **NPPES last updated:** September 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932553948) · Data from the CMS NPPES public registry.