IndividualActive
Luigi Grassi
NPI 1194668459 · Anesthesiology Physician · Boston, MA
Luigi Grassi is a Anesthesiology Physician provider in Boston, MA (NPI 1194668459).
Provider details
- NPI number
- 1194668459
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- ZZ (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(53/100 index)
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
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
55 Fruit St
Boston, MA 02114-2621
Phone: (617) 726-3030
Street-level locationGet directions
Mailing address
55 Fruit St
Boston, MA 02114-2621
Registry dates
- Enumerated
- 2026-04-13
- Last updated
- 2026-04-13
- Certified
- 2026-04-12
Frequently asked questions
- What is Luigi Grassi's NPI number?
- Luigi Grassi's National Provider Identifier (NPI) is 1194668459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luigi Grassi's specialty?
- Luigi Grassi is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Luigi Grassi located?
- Luigi Grassi's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Luigi Grassi's phone number?
- The practice phone number listed in the NPPES registry for Luigi Grassi is (617) 726-3030.
- Is Luigi Grassi's NPI active?
- Yes — Luigi Grassi's NPI (1194668459) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.