Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael P Regan, MD
Surgery Physician in Austin, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871508945
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Registry record
Entity type Individual (Type 1)
Name Michael P Regan
Credential MD
Sex Male
Practice address 6811 Austin Center Blvd #300, Austin, TX, 78731
Phone (512) 346-8888
Fax (512) 406-7321
Enumeration date Jul 29, 2006
Last updated in NPPES Aug 10, 2015
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 |
|---|---|---|---|
| 043403702 | Medicaid | TX | — |
| 043403703 | Medicaid | TX | — |
| 043403701 | Medicaid | TX | — |
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
Where does Michael Regan practice?
The practice location on file with NPPES is in Austin, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Regan?
The National Provider Identifier (NPI) for Michael Regan is 1871508945, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Anurekha Chadha Rheumatology Physician · Austin, TX NPI 1548256845 Semyon Gambarin Surgery Physician · Austin, TX NPI 1871508937 Vikas Godhania Podiatrist · Austin, TX NPI 1043225105 Kevin O'Farrell Surgery Physician · Austin, TX NPI 1003822362 William Otto Allergy & Immunology Physician · Austin, TX NPI 1912913278 Michelle Markley Family Medicine Physician · Austin, TX NPI 1801802160 David Mcfarland Surgery Physician · Austin, TX NPI 1164438420 Kent Jones Otolaryngology Physician · Austin, TX NPI 1124034491
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-10.