Hendrik Sy, MD
NPI 1649731035 · Student in an Organized Health Care Education/Training Program · New York, NY
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hendrik Sy, MD is a Student in an Organized Health Care Education/Training Program provider in New York, NY (NPI 1649731035).
Provider details
- NPI number
- 1649731035
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- 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
7 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
- 2019-03-27
- Last updated
- 2019-03-27
Frequently asked questions
- What is Hendrik Sy's NPI number?
- Hendrik Sy's National Provider Identifier (NPI) is 1649731035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hendrik Sy's specialty?
- Hendrik Sy 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 Hendrik Sy located?
- Hendrik Sy's practice location on file with NPPES is 1000 10th Ave Fl 3, New York, NY 10019-1147.
- What is Hendrik Sy's phone number?
- The practice phone number listed in the NPPES registry for Hendrik Sy is (212) 259-6777.
- Does Hendrik Sy accept Medicare?
- Hendrik Sy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hendrik Sy's NPI active?
- Yes — Hendrik Sy's NPI (1649731035) is active in the NPPES registry as of the last update on 2019-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.