Leen Hasan
NPI 1205457298 · Student in an Organized Health Care Education/Training Program · Hartford, CT
Enrolled with Medicare as Order and Referring Only - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leen Hasan is a Student in an Organized Health Care Education/Training Program provider in Hartford, CT (NPI 1205457298).
Provider details
- NPI number
- 1205457298
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-04-30
- Last updated
- 2020-04-30
- Certified
- 2020-04-30
Frequently asked questions
- What is Leen Hasan's NPI number?
- Leen Hasan's National Provider Identifier (NPI) is 1205457298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leen Hasan's specialty?
- Leen Hasan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Leen Hasan located?
- Leen Hasan's practice location on file with NPPES is 79 Retreat Ave, Hartford, CT 06106-2527.
- What is Leen Hasan's phone number?
- The practice phone number listed in the NPPES registry for Leen Hasan is (860) 972-0200.
- Does Leen Hasan accept Medicare?
- Leen Hasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leen Hasan's NPI active?
- Yes — Leen Hasan's NPI (1205457298) is active in the NPPES registry as of the last update on 2020-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.