Janaina Da Silva Martins, MD, PHD
NPI 1699419374 · Family Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janaina Da Silva Martins, MD, PHD is a Family Medicine Physician provider in Boston, MA (NPI 1699419374).
Provider details
- NPI number
- 1699419374
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 1020866 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$179 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-27
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is Janaina Da Silva Martins's NPI number?
- Janaina Da Silva Martins's National Provider Identifier (NPI) is 1699419374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janaina Da Silva Martins's specialty?
- Janaina Da Silva Martins is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janaina Da Silva Martins located?
- Janaina Da Silva Martins's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Janaina Da Silva Martins's phone number?
- The practice phone number listed in the NPPES registry for Janaina Da Silva Martins is (617) 726-2000.
- Does Janaina Da Silva Martins accept Medicare?
- Janaina Da Silva Martins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janaina Da Silva Martins's NPI active?
- Yes — Janaina Da Silva Martins's NPI (1699419374) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.