Ioannis Eleftheriadis, MD
NPI 1679651731 · Internal Medicine Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ioannis Eleftheriadis, MD is a Internal Medicine Physician provider in Antioch, CA (NPI 1679651731).
Provider details
- NPI number
- 1679651731
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A61315 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 809 | 296 |
| Lisinopril | 506 | 190 |
| Amlodipine Besylate | 439 | 157 |
| Tizanidine Hcl | 324 | 98 |
| Famotidine | 312 | 113 |
| Levothyroxine Sodium | 309 | 107 |
| Losartan Potassium | 296 | 119 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-13
Frequently asked questions
- What is Ioannis Eleftheriadis's NPI number?
- Ioannis Eleftheriadis's National Provider Identifier (NPI) is 1679651731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ioannis Eleftheriadis's specialty?
- Ioannis Eleftheriadis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ioannis Eleftheriadis located?
- Ioannis Eleftheriadis's practice location on file with NPPES is 5601 Deer Valley Rd, Antioch, CA 94531-8577.
- What is Ioannis Eleftheriadis's phone number?
- The practice phone number listed in the NPPES registry for Ioannis Eleftheriadis is (925) 813-6500.
- Does Ioannis Eleftheriadis accept Medicare?
- Ioannis Eleftheriadis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ioannis Eleftheriadis's NPI active?
- Yes — Ioannis Eleftheriadis's NPI (1679651731) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.