Jee-Yoong Leong, MBBS
NPI 1891074613 · Surgery Physician · Boston, MA
Enrolled with Medicare as Order and Referring Only - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jee-Yoong Leong, MBBS is a Surgery Physician provider in Boston, MA (NPI 1891074613).
Provider details
- NPI number
- 1891074613
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MBBS
- Sex
- Male
- Sole proprietor
- No
- License
- L-247950 (MA)
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
14 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
- 2011-08-10
- Last updated
- 2011-08-10
Frequently asked questions
- What is Jee-Yoong Leong's NPI number?
- Jee-Yoong Leong's National Provider Identifier (NPI) is 1891074613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jee-Yoong Leong's specialty?
- Jee-Yoong Leong is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jee-Yoong Leong located?
- Jee-Yoong Leong's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Jee-Yoong Leong's phone number?
- The practice phone number listed in the NPPES registry for Jee-Yoong Leong is (617) 726-3726.
- Does Jee-Yoong Leong accept Medicare?
- Jee-Yoong Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jee-Yoong Leong's NPI active?
- Yes — Jee-Yoong Leong's NPI (1891074613) is active in the NPPES registry as of the last update on 2011-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.