Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Aaron Mark Gage, LMSW
Social Worker in Bronx, NY · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699150599
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Registry record
Entity type Individual (Type 1)
Name Mr. Aaron Mark Gage
Credential LMSW
Sex Male
Practice address 2510 Westchester Ave Ste 102, Bronx, NY, 10461
Phone (718) 597-5558
Enumeration date Jul 21, 2015
Last updated in NPPES Jul 21, 2015
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 Aaron Gage?
Aaron Gage is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-21.