Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elizabeth Mack

Optician in Scarborough, ME · enumerated 2023.

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

National Provider Identifier

1720865397

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Registry record

Entity type Individual (Type 1)

Name Elizabeth Mack

Sex Female

Practice address 500 Gallery Blvd, Scarborough, ME, 04074

Phone (207) 287-0160

Enumeration date Sep 8, 2023

Last updated in NPPES Sep 8, 2023

Taxonomy & licenses

156FX1800X Optician Eye and Vision Services Providers · License 1936 (NH) Primary

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

Is NPI 1720865397 active?

Yes, as of the latest NPPES snapshot, NPI 1720865397 is active (record last updated 2023-09-08).

How do I verify Elizabeth Mack's NPI record?

Cross-check NPI 1720865397 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Wal-Mart Stores East Lp Community/Retail Pharmacy · Scarborough, ME NPI 1225055593 Wal-Mart Stores, Inc. Optician · Scarborough, ME NPI 1205078292 Amanda Roberts Pharmacist · Scarborough, ME NPI 1982181079 Ruby Jarrett Pharmacist · Scarborough, ME NPI 1780259739 Clayton Autry Pharmacist · Scarborough, ME NPI 1639834997

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-08.