Constantine Haliasos, M.D
NPI 1043216559 · Internal Medicine Physician · West Hempstead, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constantine Haliasos, M.D is a Internal Medicine Physician provider in West Hempstead, NY (NPI 1043216559).
Provider details
- NPI number
- 1043216559
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 129902 (NY)
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
21 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2008-02-11
Frequently asked questions
- What is Constantine Haliasos's NPI number?
- Constantine Haliasos's National Provider Identifier (NPI) is 1043216559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constantine Haliasos's specialty?
- Constantine Haliasos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Constantine Haliasos located?
- Constantine Haliasos's practice location on file with NPPES is 146 Trinity Pl, West Hempstead, NY 11552-1626.
- What is Constantine Haliasos's phone number?
- The practice phone number listed in the NPPES registry for Constantine Haliasos is (516) 483-9688.
- Does Constantine Haliasos accept Medicare?
- Constantine Haliasos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constantine Haliasos's NPI active?
- Yes — Constantine Haliasos's NPI (1043216559) is active in the NPPES registry as of the last update on 2008-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.