NPI Portal NPI Lookup & Verification

William S Anast, MD

William S Anast is a Anesthesiology Physician provider (Anesthesiology) practicing in Rolla, MO, registered in the NPPES registry with NPI 1124024468 since 2005. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1124024468
Entity type Individual (Type 1)
Name William S Anast
Credential MD
Sex Male
Practice address 1605 MARTIN SPRINGS DR, Rolla, MO, 65401
Phone 4174586637
Enumeration date 2005-06-22
Last updated in NPPES 2013-11-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207L00000X Anesthesiology Physician Primary 105048 MO

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
431560263 Other MO TRICARE
1124024468 Medicaid MO
Copy-ready billing details
Provider: William Anast, MD
NPI: 1124024468
Taxonomy: 207L00000X (Anesthesiology Physician)
Address: 1605 MARTIN SPRINGS DR, Rolla, MO, 65401

Other providers at this practice address

NPI Name Type Specialty Location
1083605786 Sara Trusler Individual Pharmacist Rolla, MO
1497731525 Karen Biermann Individual Family Nurse Practitioner Rolla, MO
1346286887 Holly Erway Individual Physician Assistant Rolla, MO
1477582799 Yaqoob Ali Individual Hematology & Oncology Physician Rolla, MO
1619901048 Max Lungren Individual Obstetrics & Gynecology Physician Rolla, MO
1457363806 Mercy Clinic Springfield Communities Organization Rural Health Clinic/Center Rolla, MO
1568537181 Tracy Fair-Parsons Individual Physician Assistant Rolla, MO
1366510448 Kimberly Redman Individual Certified Registered Nurse Anesthetist Rolla, MO

Verify this record

Cross-check NPI 1124024468 against the authoritative CMS record: view William S Anast on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for William Anast?
The National Provider Identifier (NPI) for William Anast is 1124024468, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Anast practice?
The practice location on file with NPPES is in Rolla, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2013-11-08.