Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLISON MARIE WILLIAMS CRNA
NPI 1346825007
Nurse Anesthetist, Certified Registered in Columbus, OH

Q: What is Allison Williams's NPI number?

The NPI number for Allison Williams is 1346825007. It was assigned to this individual provider in the NPPES registry on March 15, 2021. The provider is also known as Allison Marie Caudill Crna.

Q: What is Allison Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Allison Williams was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.

Active since March 15, 2021

700 CHILDRENS DR, COLUMBUS, OH 43205(614) 722-4200(614) 722-4203 Get Directions Write a Review

NPPES record last updated: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 3, 2026, Aug 14, 2025, Sep 19, 2024 and 4 more (7 updates tracked since 2021).

On this page

About Allison Marie Williams Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON MARIE WILLIAMS CRNA (NPI 1346825007) is an individual nurse anesthetist, certified registered in Columbus, Ohio, licensed in Ohio (APRN.CRNA.0020303) and active in the NPI registry since March 2021. She is a graduate of Other (2021).

NPPES Registry Identity

NPI1346825007

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameALLISON MARIE WILLIAMSCredential: CRNA

Location Address700 CHILDRENS DRColumbus, OH 43205-2664

Mailing Address700 Childrens DrColumbus, OH 43205-2664 · (614) 722-4200

Phone(614) 722-4200

Fax(614) 722-4203

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMarch 15, 2021

Last NPPES UpdateNovember 3, 20267 updates tracked since enumeration

NPPES CertifiedNovember 3, 2026

✔ NPI 1346825007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

Licenses✔ Licensed in OH · APRN.CRNA.0020303✔ Licensed in SC · 25971

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

700 CHILDRENS DR, Columbus, OH 43205

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Other Names 1

Former Name (1)Allison Marie Caudill Crna

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

Allison Marie Williams 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.

PECOS PAC ID749680106

PECOS Enrollment IDI20210607003155

Medicare Billing Reassignments

Medicare enrollment records show Allison Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nationwide Children's Hospital

Same address

Multi-Specialty

700 CHILDRENS DR
Columbus, OH 43205

Reassigned Medicare billing, Ohio enrollment
976 clinicians in this Medicare group

NPI 1851179873 (614) 722-2055

Children's Anesthesia Associates Inc

Same address

Anesthesiology

700 CHILDRENS DR
Columbus, OH 43205

Reassigned Medicare billing, Ohio enrollment
188 clinicians in this Medicare group

NPI 1629020680 (614) 722-4200

Medical University Hospital Authority

375 mi

General Acute Care Hospital

1 MEDICAL PARK DR
Chester, SC 29706

Reassigned Medicare billing, South Carolina enrollment
357 clinicians in this Medicare group

NPI 1437622933 (803) 581-9400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

BELA M GANDHI MD

Psychiatry & Neurology (Child & Adolescent Psychiatry)

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-8212

AMRIK SINGH KHALSA M.D.

Pediatrics

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2000

DR. ROBERT MICHAEL DORMAN M.D.

Surgery

700 CHILDRENS DR, CCPR
COLUMBUS, OH 43205

Franklin County (614) 722-0449

MR. CHRISTOPHER JONES MD

Pediatrics (Pediatric Emergency Medicine)

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2000

LEANNE MURRAY PHARMD

Pharmacist

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2160

CLAIRE ELIZABETH CHRISTIAN M.D.

Pediatrics (Pediatric Emergency Medicine)

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2000

MEGAN MCNICOL

Pharmacist

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2160

MARIA STRENG

Nurse Practitioner (Pediatrics)

700 CHILDRENS DR
COLUMBUS, OH 43205

Franklin County (614) 722-2000

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 Allison Williams's NPI number?

The NPI number for Allison Williams is 1346825007. It was assigned to this individual provider in the NPPES registry on March 15, 2021. The provider is also known as Allison Marie Caudill Crna.

Where is Allison Williams located?

Allison Williams practices at 700 Childrens Dr, Columbus, OH 43205. The listed phone number is (614) 722-4200.

What is Allison Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Allison Williams enrolled in Medicare?

Yes. Allison Williams 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 Allison Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Williams reassigns Medicare benefits to 3 organizations: Nationwide Children's Hospital (Columbus, OH), Children's Anesthesia Associates Inc (Columbus, OH) and Medical University Hospital Authority (Chester, SC). 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 Allison Williams'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 Allison Williams was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.