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

Mrs. Allison Weaver Williams, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1568767465

Mrs. Allison Weaver Williams, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Greenville, South Carolina. Graduated from University of South Carolina School of Medicine in 2011, 15 years ago. Practices with Medstream Anesthesia PLLC, a 577-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
15
Trained at
University of South Carolina School of Medicine
Licensed in
SC
In the registry since
2011
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

7 Independence Pt Ste 300
Greenville, SC 29615-4569
Phone: (864) 522-3700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5 Richland Medical Park Dr, Columbia, SC 29203-6863 — (803) 434-5838

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 17486 (SC)

Record details

NPI number1568767465
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJanuary 24, 2011
Last updated in NPPESJanuary 28, 2022
Certification dateJanuary 28, 2022

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Medstream Anesthesia Pllc — 577 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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