Sylvain Meylan, MD, PHD
NPI 1245631753 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Order and Referring Only - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvain Meylan, MD, PHD is a Internal Medicine Physician provider in Boston, MA (NPI 1245631753).
Provider details
- NPI number
- 1245631753
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- L-261218 (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
11 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
- 2014-09-16
- Last updated
- 2014-09-16
Frequently asked questions
- What is Sylvain Meylan's NPI number?
- Sylvain Meylan's National Provider Identifier (NPI) is 1245631753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvain Meylan's specialty?
- Sylvain Meylan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvain Meylan located?
- Sylvain Meylan's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Sylvain Meylan's phone number?
- The practice phone number listed in the NPPES registry for Sylvain Meylan is (617) 726-3812.
- Does Sylvain Meylan accept Medicare?
- Sylvain Meylan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvain Meylan's NPI active?
- Yes — Sylvain Meylan's NPI (1245631753) is active in the NPPES registry as of the last update on 2014-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.