Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Donald Wierman, MD
Specialist in Pueblo, CO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699708834
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Registry record
Entity type Individual (Type 1)
Name Dr. William Donald Wierman
Credential MD
Sex Male
Practice address 1008 Minnequa Ave, Pueblo, CO, 81004
Phone (719) 560-5656
Fax (719) 560-4715
Enumeration date Jul 9, 2006
Last updated in NPPES Mar 7, 2023
Taxonomy & licenses
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 |
|---|---|---|---|
| 26727 | Other | CO | COLORADO LICENSE |
| 2370237 | Other | CO | AETNA |
| 84145895001 | Other | CO | PACIFICARE |
| 85652571 | Medicaid | CO | - |
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.
Frequently asked questions
What is the NPI number for William Wierman?
The National Provider Identifier (NPI) for William Wierman is 1699708834, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Wierman practice?
The practice location on file with NPPES is in Pueblo, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gregory Larsen Anesthesiology Physician · Pueblo, CO NPI 1366447922 Katharine Macaulay Anesthesiology Physician · Pueblo, CO NPI 1215932868 Pablo-Moises Garcia-Perez Anesthesiology Physician · Pueblo, CO NPI 1548265119 Michael Jones Certified Registered Nurse Anesthetist · Pueblo, CO NPI 1427054816 David Smith Anesthesiologist Assistant · Pueblo, CO NPI 1669470597 Danny Ballenger Diagnostic Radiology Physician · Pueblo, CO NPI 1962484717 Pueblo Radiological Group PC Radiology Clinic/Center · Pueblo, CO NPI 1568444271 Sheridan Healthcare of Colorado PC Certified Registered Nurse Anesthetist · Pueblo, CO NPI 1437132990
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.