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MR. ANTONIOS ANTHONY DIAMANTOPOULOS M.D.
NPI 1790678951
Family Medicine in Chicago, IL

Active since May 29, 2025
5140 N. CALIFORNIA AVENUE, CHICAGO, IL 60625(773) 878-8200 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 29, 2026, May 22, 2026, Mar 13, 2026 and 1 more (4 updates tracked since 2025).

About Mr. Antonios Anthony Diamantopoulos M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. ANTONIOS ANTHONY DIAMANTOPOULOS M.D. (NPI 1790678951) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (125.086800) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1790678951
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMR. ANTONIOS ANTHONY DIAMANTOPOULOSCredential: M.D.
Location Address5140 N. CALIFORNIA AVENUEChicago, IL 60625
Mailing Address5140 N. California AvenueChicago, IL 60625 · (773) 878-8200
Phone(773) 878-8200
Sole ProprietorYes
Enumeration DateMay 29, 2025
Last NPPES UpdateMay 29, 20264 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1790678951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 125.086800
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5140 N. CALIFORNIA AVENUE, Chicago, IL 60625
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SWEDISH COVENANT HOUSE CALLS
Home Health
5140 N. CALIFORNIA AVENUE, SWEDISH COVENANT HOUSE CALLS
CHICAGO, IL 60625
Cook County (773) 878-8200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Antonios Diamantopoulos's NPI number?

The NPI number for Antonios Diamantopoulos is 1790678951. It was assigned to this individual provider in the NPPES registry on May 29, 2025.

Where is Antonios Diamantopoulos located?

Antonios Diamantopoulos practices at 5140 N. California Avenue, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is Antonios Diamantopoulos's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Antonios Diamantopoulos was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.