Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Neil D Gross, M.D.
Ophthalmology Physician in Lynn, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457401572
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Registry record
Entity type Individual (Type 1)
Name Neil D Gross
Credential M.D.
Sex Male
Practice address 330 Lynnway, Ste 335, Lynn, MA, 01901
Phone (781) 593-3939
Enumeration date Jan 11, 2007
Last updated in NPPES Mar 3, 2016
Taxonomy & licenses
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.
Frequently asked questions
What specialty is Neil Gross?
Neil Gross is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-03.