Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Stephen Joseph Knowles

Individual provider Certified Registered Nurse Anesthetist · NPI 1407484009

Stephen Joseph Knowles is a Certified Registered Nurse Anesthetist (CRNA) in Semmes, Alabama. Graduated from Louisiana State University School of Medicine in New Orleans in 2022, 4 years ago. Practices with USA Health Anesthesia Billing Services LLC, a 163-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
4
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
AL
In the registry since
2020

Practice location Address checks out

7962 Woodland Hills Dr
Semmes, AL 36575-7440
Phone: (251) 423-2816
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 1-155739 (AL)

Record details

NPI number1407484009
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 30, 2020
Last updated in NPPESNovember 14, 2023
Certification dateNovember 14, 2023
Mailing address5125 Citrus Blvd Apt 345, River Ridge, LA 70123-7124

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2022 (4 years in practice)
Group practice Usa Health Anesthesia Billing Services Llc — 163 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount