NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Aaron Diamond Aids Research Center

Research Clinic/Center in New York, NY · enumerated 2007 · authorized official Martin Markowitz, Clinical Director.

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

National Provider Identifier

1962626341

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Aaron Diamond Aids Research Center
Practice address 445 1st Ave, 7th Floor, New York, NY, 10016
Enumeration date Apr 13, 2007
Last updated in NPPES Aug 22, 2020

Taxonomy & classification

261QR1100X Research Clinic/Center Ambulatory Health Care Facilities · License 002941 (NY) Primary

Authorized official

Name Martin Markowitz
Title Clinical Director

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

How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.
Where is Aaron Diamond Aids Research Center located?
The practice location on file with NPPES is in New York, NY.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.