Joao Vitor Mahler Ferreira Oliveira, MD
NPI 1578403929 · Student in an Organized Health Care Education/Training Program · Boston, MA
Joao Vitor Mahler Ferreira Oliveira, MD is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1578403929).
Provider details
- NPI number
- 1578403929
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 81 Highland AveSalem, MA 01970-2714Phone: (978) 741-1200
Registry dates
- Enumerated
- 2026-03-28
- Last updated
- 2026-03-28
- Certified
- 2026-03-28
Frequently asked questions
- What is Joao Vitor Mahler Ferreira Oliveira's NPI number?
- Joao Vitor Mahler Ferreira Oliveira's National Provider Identifier (NPI) is 1578403929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joao Vitor Mahler Ferreira Oliveira's specialty?
- Joao Vitor Mahler Ferreira Oliveira is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Joao Vitor Mahler Ferreira Oliveira located?
- Joao Vitor Mahler Ferreira Oliveira's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Joao Vitor Mahler Ferreira Oliveira's phone number?
- The practice phone number listed in the NPPES registry for Joao Vitor Mahler Ferreira Oliveira is (617) 726-2000.
- Is Joao Vitor Mahler Ferreira Oliveira's NPI active?
- Yes — Joao Vitor Mahler Ferreira Oliveira's NPI (1578403929) is active in the NPPES registry as of the last update on 2026-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.