Helen Louise Stepan, CRNA
Certified Registered Nurse Anesthetist · Los Angeles, CA
Helen Louise Stepan, CRNA is a certified registered nurse anesthetist with a practice address in Los Angeles, California, and NPI 1740561398, issued on Sep 8, 2011. Check the license (California NA4128, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Helen Louise Stepan
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- NA4128 CA
697899 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-7400
- Enumerated
- Sep 8, 2011
- Record last updated
- Oct 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (323) 442-7411
- Medicare enrollment
- Enrolled (PECOS I20111202000460); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,943 in California → Look up another NPI →
Also registered at 1500 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Abad-Santos, MDVascular & Interventional Radiology Physician1487041406
- Ali Abanobi, CRNACertified Registered Nurse Anesthetist1740756196
- Emily AbbottCardiopulmonary Physical Therapist1053116251
- Hadi Abou El Hassan, MDNeurology Physician1053995720
- Taaha Adamji, MDStudent in an Organized Health Care Education/Training Program1770414377
- Nikhil AggarwalStudent in an Organized Health Care Education/Training Program1144029596
Verify Helen Louise Stepan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NA4128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $23.92
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Axiom Anesthesia A Professional Nursing CorporationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen Louise Stepan among 2,943 certified registered nurse anesthetist records in California
Helen Louise Stepan, CRNA is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 43% of them.
- NPI issued2011 · 43% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2011 · median 2016 among the 2,089 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in California
There are 2,943 certified registered nurse anesthetist records in California.
All 2,943 in California → Every provider in Los Angeles → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Brindusa Bauer, CRNALos Angeles, CA 900331457308603
- James Carey, CRNALos Angeles, CA 900331962443234
- Jennilyn Casalme, CRNALos Angeles, CA 900331366499519
- Kari Cole, CRNALos Angeles, CA 900331508807702
- Judith Franco, CRNALos Angeles, CA 900331780625988
- Charlotte Garcia, CRNALos Angeles, CA 900331114960010
- Michael Gatewood, CRNALos Angeles, CA 900331598702433
- Jennifer Hogan, CRNALos Angeles, CA 900331831135540
Common questions
What is Helen Louise Stepan, CRNA's NPI number?
Helen Louise Stepan, CRNA's National Provider Identifier (NPI) is 1740561398, issued on Sep 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Helen Louise Stepan, CRNA located?
The NPPES record lists a practice address at 1500 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-7400. Providers update this record themselves, so call before visiting.
How can I verify Helen Louise Stepan, CRNA's license?
NPPES lists California license number NA4128, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.