IndividualActive
Isaiah Grossman, MD
NPI 1528680311 · Pediatrics Physician · Toronto
Isaiah Grossman, MD is a Pediatrics Physician provider in Toronto (NPI 1528680311).
Provider details
- NPI number
- 1528680311
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD481499 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(51/100 index)
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
67% 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
555 University Ave
Toronto, 518
Phone: (416) 813-1500
Mailing address
555 University Ave
Toronto, ONTARIO 518
Registry dates
- Enumerated
- 2020-05-14
- Last updated
- 2023-07-12
- Certified
- 2023-07-12
Frequently asked questions
- What is Isaiah Grossman's NPI number?
- Isaiah Grossman's National Provider Identifier (NPI) is 1528680311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaiah Grossman's specialty?
- Isaiah Grossman is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Isaiah Grossman located?
- Isaiah Grossman's practice location on file with NPPES is 555 University Ave, Toronto, 518.
- What is Isaiah Grossman's phone number?
- The practice phone number listed in the NPPES registry for Isaiah Grossman is (416) 813-1500.
- Is Isaiah Grossman's NPI active?
- Yes — Isaiah Grossman's NPI (1528680311) is active in the NPPES registry as of the last update on 2023-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.