Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Adolfo M Villar, MD
Nephrology Physician in Aurora, CO · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437131638
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Registry record
Entity type Individual (Type 1)
Name Dr. Adolfo M Villar
Credential MD
Sex Male
Practice address 1411 S Potomac St, Ste 360, Aurora, CO, 80012
Phone (303) 327-4700
Fax (303) 327-4711
Enumeration date Nov 15, 2005
Last updated in NPPES Jan 4, 2008
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 |
|---|---|---|---|
| 01329200 | 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 specialty is Adolfo Villar?
Adolfo Villar is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-04.