OrganizationActive
Grassi and Grassi P.C.
NPI 1821137878 · Endodontics · Rochester, NY
Grassi and Grassi P.C. is a Endodontics organization in Rochester, NY (NPI 1821137878).
Provider details
- NPI number
- 1821137878
- Entity type
- Organization
- Primary specialty
- EndodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Michael Grassi, President(585) 424-1111
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
369 White Spruce Blvd
Rochester, NY 14623-1603
Phone: (585) 424-1111
Fax: (585) 424-1111
Street-level locationGet directions
Mailing address
369 White Spruce Blvd
Rochester, NY 14623-1603
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2020-08-22
Frequently asked questions
- What is Grassi and Grassi P.C.'s NPI number?
- Grassi and Grassi P.C.'s National Provider Identifier (NPI) is 1821137878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grassi and Grassi P.C.?
- Grassi and Grassi P.C. is classified in the NPPES registry as Endodontics (Dental Providers).
- Where is Grassi and Grassi P.C. located?
- Grassi and Grassi P.C.'s practice location on file with NPPES is 369 White Spruce Blvd, Rochester, NY 14623-1603.
- What is Grassi and Grassi P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Grassi and Grassi P.C. is (585) 424-1111.
- Who is the authorized official for Grassi and Grassi P.C.?
- The authorized official listed on Grassi and Grassi P.C.'s NPPES record is Michael Grassi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grassi and Grassi P.C.'s NPI active?
- Yes — Grassi and Grassi P.C.'s NPI (1821137878) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.