Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Tammy Madiou
Registered Nurse in Jamaica, NY · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245810381
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Registry record
Entity type Individual (Type 1)
Name Ms. Tammy Madiou
Sex Female
Practice address 17520 Hillside Ave, Jamaica, NY, 11432
Phone (718) 291-1888
Enumeration date Apr 13, 2021
Last updated in NPPES Apr 13, 2021
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
Where does Tammy Madiou practice?
The practice location on file with NPPES is in Jamaica, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tammy Madiou?
The National Provider Identifier (NPI) for Tammy Madiou is 1245810381, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Anna Ganness General Practice Dentistry · Jamaica, NY NPI 1518976372 Star Care Pharmacy Inc Community/Retail Pharmacy · Jamaica, NY NPI 1508398967 Maralin Lowe Addiction (Substance Use Disorder) Registered Nurse · Jamaica, NY NPI 1386224400 Maureen Bullen Registered Nurse · Jamaica, NY NPI 1558941559 Marjory Thompson General Practice Registered Nurse · Jamaica, NY NPI 1598345399 Kayla Williamson General Practice Registered Nurse · Jamaica, NY NPI 1124609805 Nicole Chiles Addiction (Substance Use Disorder) Registered Nurse · Jamaica, NY NPI 1750962478 Elena Makarova Addiction (Substance Use Disorder) Counselor · Jamaica, NY NPI 1508519877
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-13.