Leila Yassa, M.D.
NPI 1649217340 · Internal Medicine Physician · Newton, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leila Yassa, M.D. is a Internal Medicine Physician provider in Newton, MA (NPI 1649217340).
Provider details
- NPI number
- 1649217340
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 223290 (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
20 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
- 2006-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leila Yassa's NPI number?
- Leila Yassa's National Provider Identifier (NPI) is 1649217340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leila Yassa's specialty?
- Leila Yassa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leila Yassa located?
- Leila Yassa's practice location on file with NPPES is 2014 Washington St, Newton, MA 02462-1607.
- What is Leila Yassa's phone number?
- The practice phone number listed in the NPPES registry for Leila Yassa is (617) 243-5812.
- Does Leila Yassa accept Medicare?
- Leila Yassa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leila Yassa's NPI active?
- Yes — Leila Yassa's NPI (1649217340) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.