Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Amy Elizabeth Smithline, MD

Gastroenterology Physician in Stamford, CT · enumerated 2006.

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

National Provider Identifier

1538234240

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Registry record

Entity type Individual (Type 1)

Name Dr. Amy Elizabeth Smithline

Credential MD

Sex Female

Practice address 32 Strawberry Hill Ct, Ste 41042, Stamford, CT, 06902

Phone (203) 348-5355

Enumeration date Nov 21, 2006

Last updated in NPPES Jul 10, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD29609 (ME) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License MD29609 (ME) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 040229 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

What is the NPI number for Amy Smithline?

The National Provider Identifier (NPI) for Amy Smithline is 1538234240, a Type 1 (individual) record in the CMS NPPES registry.

Where does Amy Smithline practice?

The practice location on file with NPPES is in Stamford, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-10.