DR. GENEVIEVE LILLEY HASEK M.D.
NPI 1780848085
Emergency Medicine in Torrance, CA
About Dr. Genevieve Lilley Hasek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GENEVIEVE LILLEY HASEK M.D. (NPI 1780848085) is an individual emergency medicine provider in Torrance, California, licensed in California (A110835) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and is a graduate of Pennsylvania State University College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Genevieve Lilley Hasek M.d. 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 Reassignments
3Medicare enrollment records show Genevieve Hasek reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 106 clinicians in this Medicare group
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 388 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90505 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Genevieve Hasek's NPI number?
The NPI number for Genevieve Hasek is 1780848085. It was assigned to this individual provider in the NPPES registry on July 15, 2008.
Where is Genevieve Hasek located?
Genevieve Hasek practices at 22411 Hawthorne Blvd Torrance Memorial Urgent Care, Torrance, CA 90505. The listed phone number is (310) 784-3740.
What is Genevieve Hasek's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Genevieve Hasek enrolled in Medicare?
Yes. Genevieve Hasek 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 organizations bill Medicare for Genevieve Hasek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Genevieve Hasek reassigns Medicare benefits to 3 organizations: Torrance Emergency Physicians, Inc (Torrance, CA), Torrance Memorial Medical Center (Torrance, CA) and Torrance Health Association Inc (Torrance, CA). Each 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 Genevieve Hasek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Genevieve Hasek was last updated on February 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.