Mary Grassi
NPI 1841411832 · Occupational Therapist · Pittsburgh, PA
Mary Grassi is a Occupational Therapist provider in Pittsburgh, PA (NPI 1841411832).
Provider details
- NPI number
- 1841411832
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- OC000466L (PA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Grassi's NPI number?
- Mary Grassi's National Provider Identifier (NPI) is 1841411832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grassi's specialty?
- Mary Grassi is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Grassi located?
- Mary Grassi's practice location on file with NPPES is 4146 Library Road, Pittsburgh, PA 15234.
- What is Mary Grassi's phone number?
- The practice phone number listed in the NPPES registry for Mary Grassi is (412) 833-6663.
- Is Mary Grassi's NPI active?
- Yes — Mary Grassi's NPI (1841411832) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.