NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Amy Beth Siegel, M.D.

Internal Medicine Physician in Austin, TX · enumerated 2006 · practices at Austin Regional Clinic, PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558394759

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Registry record

Entity type Individual (Type 1)
Name Dr. Amy Beth Siegel
Credential M.D.
Sex Female
Practice address Austin, TX, 78731
Phone (512) 346-6611
Enumeration date Jul 9, 2006
Last updated in NPPES Apr 16, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0420010015 (VT) Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License P9736 (TX) Primary
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
339115301 Medicaid TX -
339115302 Medicaid TX -
OVN2269 Medicaid VT -
P01414594 Other TX ARC RR MEDICARE PTAN

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 → Validate an NPI →

Frequently asked questions

Where does Amy Siegel 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 Amy Siegel?
The National Provider Identifier (NPI) for Amy Siegel is 1558394759, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-16.