Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Grace Rebecca Mills
Optometrist in Sanford, ME · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346082047
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Registry record
Entity type Individual (Type 1)
Name Grace Rebecca Mills
Sex Female
Practice address 272 Cottage St, Sanford, ME, 04073
Phone (207) 324-8888
Fax (207) 490-1716
Enumeration date Jun 12, 2024
Last updated in NPPES Jun 19, 2024
Taxonomy & licenses
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Grace Mills?
Grace Mills is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Dana Graichen Ophthalmology Physician · Sanford, ME NPI 1831176312 Northeast Retina Associates, PA Ophthalmology Physician · Sanford, ME NPI 1124005590 Associated Eye Care Ophthalmology, PA Ophthalmology Physician · Sanford, ME NPI 1639156011 Robert Rice Ophthalmology Physician · Sanford, ME NPI 1689651069 Associated Eye Care, P.A. Optometrist · Sanford, ME NPI 1144245150 William Kirn Optometrist · Sanford, ME NPI 1285659417 David Lavoie Optometrist · Sanford, ME NPI 1942229398 Sara Gordon Optometrist · Sanford, ME NPI 1902046808
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-19.