Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alex Johnson Addo, MD
Surgery Physician in New York, NY · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841685054
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Registry record
Entity type Individual (Type 1)
Name Alex Johnson Addo
Credential MD
Sex Male
Practice address 161 Fort Washington Ave, New York, NY, 10032
Phone (212) 342-1734
Enumeration date Apr 3, 2015
Last updated in NPPES Aug 15, 2023
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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 is the NPI number for Alex Addo?
The National Provider Identifier (NPI) for Alex Addo is 1841685054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alex Addo practice?
The practice location on file with NPPES is in New York, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Joshua Sonett Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY NPI 1295732824 Mark Ginsburg Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY NPI 1992702575 Larry Schulman Internal Medicine Physician · New York, NY NPI 1699776948 Margaret Lee Pediatric Hematology & Oncology Physician · New York, NY NPI 1275534455 Nellie Kalcheva Cardiovascular Disease Physician · New York, NY NPI 1255326294 Frank D'Ovidio Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY NPI 1225029143 John Poneros Gastroenterology Physician · New York, NY NPI 1164413332 Azra Raza Medical Oncology Physician · New York, NY NPI 1104809656
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-15.