Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael Attas, M.D.
Cardiovascular Disease Physician in Waco, TX · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669476487
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 060013505 | Other | TX | RAILROAD MEDICARE |
| 90233 | Other | TX | SWHP |
| 74178408876712A006 | Other | TX | TRICARE |
| 132341203 | Medicaid | TX | - |
| 816587 | Other | TX | BLUE CROSS |
| 100348101 | Other | TX | FIRSTCARE |
| 4341269 | Other | TX | AETNA |
| 116341305 | Other | TX | UNITED HEALTHCARE |
| 132341205 | Medicaid | TX | - |
| 757637 | Other | TX | FIRSTHEALTH |
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
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-17.