Alexander Constas, M.D.
NPI 1841602349 · Pediatric Critical Care Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Constas, M.D. is a Pediatric Critical Care Medicine Physician provider in Los Angeles, CA (NPI 1841602349).
Provider details
- NPI number
- 1841602349
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036156523 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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) 684-5580
Registry dates
- Enumerated
- 2014-06-02
- Last updated
- 2024-04-17
- Certified
- 2024-04-17
Frequently asked questions
- What is Alexander Constas's NPI number?
- Alexander Constas's National Provider Identifier (NPI) is 1841602349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Constas's specialty?
- Alexander Constas is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Constas located?
- Alexander Constas's practice location on file with NPPES is 4650 W Sunset Blvd, Los Angeles, CA 90027-6062.
- What is Alexander Constas's phone number?
- The practice phone number listed in the NPPES registry for Alexander Constas is (323) 660-2450.
- Does Alexander Constas accept Medicare?
- Alexander Constas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Constas's NPI active?
- Yes — Alexander Constas's NPI (1841602349) is active in the NPPES registry as of the last update on 2024-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.