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MR. MICHAEL E AULT CRNA
NPI 1154317196
Nurse Anesthetist, Certified Registered in Tomball, TX

Active since September 26, 2005
605 HOLDERRIETH BLVD, TOMBALL, TX 77375(281) 880-8190 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Michael E Ault Crna NPPES

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

MR. MICHAEL E AULT CRNA (NPI 1154317196) is an individual nurse anesthetist, certified registered in Tomball, Texas, licensed in Texas (558297) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1154317196
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. MICHAEL E AULTCredential: CRNA
Location Address605 HOLDERRIETH BLVDTomball, TX 77375-6445
Mailing Address15610 Kellan CtCypress, TX 77429-6115 · (281) 246-4462
Phone(281) 880-8190
Sole ProprietorNo
Enumeration DateSeptember 26, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1154317196 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
License✔ Licensed in TX · 558297
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.
605 HOLDERRIETH BLVD, Tomball, TX 77375
Open in Google Maps ↗

Other Identifiers 3

Other048795TX · Recertification Aana
Medicaid83140H7TX
Other85386UTX · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Michael E Ault Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Michael Ault reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Anesthesiology & Pain Services, P.A.
9.6 mi
Anesthesiology
7010 CHAMPIONS PLAZA DR STE 400
Houston, TX 77069
  • Reassigned Medicare billing, Texas enrollment
  • 260 clinicians in this Medicare group
NPI 1629027511 (832) 698-5331
Sequoia Anesthesia Services PLLC
11 mi
Anesthesiology
25312 INTERSTATE 45 N
Spring, TX 77386
  • Reassigned Medicare billing, Texas enrollment
  • 8 clinicians in this Medicare group
NPI 1215611983 (346) 331-2554

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.

TOMBALL REGIONAL MEDICAL CENTER PROVIDER NETWORK
Family Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 401-7620
NEAL EPSTEIN M.D.
Radiology (Diagnostic Radiology)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 359-7788
TREPA PA
Emergency Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 401-7500
AZALEA MARIE BUNCH NP
Nurse Practitioner
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 401-7695
MUHAMMAD A. SHAIKH MD PA
Internal Medicine (Infectious Disease)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 351-8100
DR. JIN KIM M.D.
Emergency Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 401-7695
STEPHEN SAMUEL MD
Pathology (Anatomic Pathology & Clinical Pathology)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (281) 401-7617
HEATHER JEAN MICHAEL RN
Nurse Practitioner (Acute Care)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Harris County (832) 687-5787

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 Michael Ault's NPI number?

The NPI number for Michael Ault is 1154317196. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Where is Michael Ault located?

Michael Ault practices at 605 Holderrieth Blvd, Tomball, TX 77375. The listed phone number is (281) 880-8190.

What is Michael Ault's specialty?

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

Is Michael Ault enrolled in Medicare?

Yes. Michael Ault is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Ault's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ault reassigns Medicare benefits to 2 organizations: Northwest Anesthesiology & Pain Services, P.A. (Houston, TX) and Sequoia Anesthesia Services PLLC (Spring, TX). 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 Michael Ault's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Ault accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Michael Ault as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Ault was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.