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Antonios Diamantopoulos, M.D.
NPI 1790678951 · Family Medicine Physician · Chicago, IL
Antonios Diamantopoulos, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1790678951).
Provider details
- NPI number
- 1790678951
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125.086800 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
5140 N. California Avenue
Chicago, IL 60625
Phone: (773) 878-8200
Street-level locationGet directions
Mailing address
5140 N. California Avenue
Chicago, IL 60625
Registry dates
- Enumerated
- 2025-05-29
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Antonios Diamantopoulos's NPI number?
- Antonios Diamantopoulos's National Provider Identifier (NPI) is 1790678951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Antonios Diamantopoulos's specialty?
- Antonios Diamantopoulos is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Antonios Diamantopoulos located?
- Antonios Diamantopoulos's practice location on file with NPPES is 5140 N. California Avenue, Chicago, IL 60625.
- What is Antonios Diamantopoulos's phone number?
- The practice phone number listed in the NPPES registry for Antonios Diamantopoulos is (773) 878-8200.
- Is Antonios Diamantopoulos's NPI active?
- Yes — Antonios Diamantopoulos's NPI (1790678951) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.