IndividualActive
Marta Marquie-Sayagues, MD
NPI 1699157834 · Neurology Physician · Boston, MA
Marta Marquie-Sayagues, MD is a Neurology Physician provider in Boston, MA (NPI 1699157834).
Provider details
- NPI number
- 1699157834
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L-264506 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(73/100 index)
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
Massachusetts General Hospital
55 Fruit St.
Boston, MA 02114
Phone: (617) 643-9136
Approximate (ZIP-level) locationGet directions
Mailing address
Massachusetts General Hospital
Boston, MA 02114
Registry dates
- Enumerated
- 2015-06-24
- Last updated
- 2015-06-24
Frequently asked questions
- What is Marta Marquie-Sayagues's NPI number?
- Marta Marquie-Sayagues's National Provider Identifier (NPI) is 1699157834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marta Marquie-Sayagues's specialty?
- Marta Marquie-Sayagues is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Marta Marquie-Sayagues located?
- Marta Marquie-Sayagues's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Marta Marquie-Sayagues's phone number?
- The practice phone number listed in the NPPES registry for Marta Marquie-Sayagues is (617) 643-9136.
- Is Marta Marquie-Sayagues's NPI active?
- Yes — Marta Marquie-Sayagues's NPI (1699157834) is active in the NPPES registry as of the last update on 2015-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.