Steven Baldassano, MD
NPI 1417585076 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Baldassano, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1417585076).
Provider details
- NPI number
- 1417585076
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES 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)
- 2014 Washington StNewton, MA 02462-1699Phone: (617) 243-6467Fax: (617) 243-6701
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is Steven Baldassano's NPI number?
- Steven Baldassano's National Provider Identifier (NPI) is 1417585076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Baldassano's specialty?
- Steven Baldassano is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Baldassano located?
- Steven Baldassano's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Steven Baldassano's phone number?
- The practice phone number listed in the NPPES registry for Steven Baldassano is (617) 726-2000.
- Does Steven Baldassano accept Medicare?
- Steven Baldassano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Baldassano's NPI active?
- Yes — Steven Baldassano's NPI (1417585076) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.