Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Alkistis N Lappas-Case, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1104828235

MS. Alkistis N Lappas-Case, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Saint Louis, Missouri. Qualified in 1996, 30 years ago. Practices with Western Anesthesiology Associates Inc, a 254-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
30
Licensed in
MO
In the registry since
2005
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

615 S New Ballas Rd Sjmmc Dept OF Anes
Saint Louis, MO 63141-8221
Phone: (636) 386-9224
Fax: (636) 386-7679
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 142510 (MO)

Record details

NPI number1104828235
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESFebruary 21, 2017

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Western Anesthesiology Associates Inc — 254 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients84
Services billed 84 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Western Anesthesiology Associates Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 254 clinicians in the practice; 12 are shown here.

Other providers in Saint Louis