Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Demetrios Markouizos, M.D.
Pediatrics Physician in Astoria, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457490963
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Registry record
Entity type Individual (Type 1)
Name Dr. Demetrios Markouizos
Credential M.D.
Sex Male
Practice address 3014 37th St, Astoria, NY, 11103
Phone (718) 278-9500
Fax (718) 278-2430
Enumeration date Feb 5, 2007
Last updated in NPPES Jul 28, 2021
Taxonomy & licenses
2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License 170828 (NY) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01052079 | Medicaid | NY | - |
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 Demetrios Markouizos practice?
The practice location on file with NPPES is in Astoria, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Demetrios Markouizos?
The National Provider Identifier (NPI) for Demetrios Markouizos is 1457490963, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Arthur Deluca Pediatric Pulmonology Physician · Astoria, NY NPI 1104926096 Brian Chung Pediatrics Physician · Astoria, NY NPI 1366722829 Yaxi Chen Pediatrics Physician · Astoria, NY NPI 1033452867 Select Medical Pllc Internal Medicine Physician · Astoria, NY NPI 1649895392 Nsuh Queens Physicians Ufp Corporation Pediatrics Physician · Astoria, NY NPI 1245128222
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-28.