HELEN LOUISE STEPAN CRNA
NPI 1740561398
Nurse Anesthetist, Certified Registered in Los Angeles, CA
About Helen Louise Stepan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN LOUISE STEPAN CRNA (NPI 1740561398) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (NA4128) and active in the NPI registry since September 2011. She is a graduate of Other (2011).
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
Helen Louise Stepan Crna 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
5Medicare enrollment records show Helen Stepan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Santa Monica, CA 90403
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Northridge, CA 91324
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Helen Stepan's NPI number?
The NPI number for Helen Stepan is 1740561398. It was assigned to this individual provider in the NPPES registry on September 8, 2011.
Where is Helen Stepan located?
Helen Stepan practices at 1500 San Pablo St 4th Floor, Los Angeles, CA 90033. The listed phone number is (323) 442-7400.
What is Helen Stepan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Helen Stepan enrolled in Medicare?
Yes. Helen Stepan 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 Helen Stepan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Stepan reassigns Medicare benefits to 5 organizations: Foothill Anesthesia, Inc (Pasadena, CA), Axiom Anesthesia A Professional Nursing Corporation (Beverly Hills, CA), West Ridge Anesthesia PC (Santa Monica, CA), Northridge Advanced Surgery Center (Northridge, CA) and Regents Of The University Of (Orange, 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 Helen Stepan'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 Helen Stepan was last updated on October 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Helen Louise Stepan, CRNA · NPI 1740561398
Nurse Anesthetist, Certified Registered physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 8, 2011.
## Identity
- **NPI:** 1740561398 (Entity type: Individual)
- **Enumerated:** September 8, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA4128 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST, 4TH FLOOR, Los Angeles, CA 90033-5313
- **Phone:** (323) 442-7400 · **Fax:** (323) 442-7411
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Foothill Anesthesia, Inc (NPI 1285695650, Pasadena, CA); Axiom Anesthesia A Professional Nursing Corporation (NPI 1760150155, Beverly Hills, CA); West Ridge Anesthesia PC (NPI 1932686748, Santa Monica, CA); Northridge Advanced Surgery Center (NPI 1417971821, Northridge, CA); Regents Of The University Of (NPI 1487602546, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 24, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1740561398) · Data from the CMS NPPES public registry.