Megan Stewart
NPI 1194667394 · Hematology & Oncology Physician · Stony Brook, NY
Megan Stewart is a Hematology & Oncology Physician provider in Stony Brook, NY (NPI 1194667394).
Provider details
- NPI number
- 1194667394
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 71842601 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2026-04-07
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Megan Stewart's NPI number?
- Megan Stewart's National Provider Identifier (NPI) is 1194667394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Stewart's specialty?
- Megan Stewart is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Stewart located?
- Megan Stewart's practice location on file with NPPES is 100 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Megan Stewart's phone number?
- The practice phone number listed in the NPPES registry for Megan Stewart is (631) 444-2960.
- Is Megan Stewart's NPI active?
- Yes — Megan Stewart's NPI (1194667394) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.