Chawki El Zein, MD
NPI 1497711394 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chawki El Zein, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Park Ridge, IL (NPI 1497711394).
Provider details
- NPI number
- 1497711394
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036104827 (IL)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 4440 W 95th StOak Lawn, IL 60453-2600Phone: (708) 684-5580Fax: (708) 684-4068
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2022-06-27
- Certified
- 2022-06-27
Frequently asked questions
- What is Chawki El Zein's NPI number?
- Chawki El Zein's National Provider Identifier (NPI) is 1497711394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chawki El Zein's specialty?
- Chawki El Zein is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Chawki El Zein located?
- Chawki El Zein's practice location on file with NPPES is 1675 Dempster St Fl 3, Park Ridge, IL 60068-1110.
- What is Chawki El Zein's phone number?
- The practice phone number listed in the NPPES registry for Chawki El Zein is (708) 684-5580.
- Does Chawki El Zein accept Medicare?
- Chawki El Zein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chawki El Zein's NPI active?
- Yes — Chawki El Zein's NPI (1497711394) is active in the NPPES registry as of the last update on 2022-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.