Sydney Ostrofsky
NPI 1063189439 · Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Ostrofsky is a Physician Assistant provider in New York, NY (NPI 1063189439).
Provider details
- NPI number
- 1063189439
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-08-24
- Last updated
- 2025-07-26
- Certified
- 2025-07-26
Frequently asked questions
- What is Sydney Ostrofsky's NPI number?
- Sydney Ostrofsky's National Provider Identifier (NPI) is 1063189439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Ostrofsky's specialty?
- Sydney Ostrofsky is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Ostrofsky located?
- Sydney Ostrofsky's practice location on file with NPPES is 1 Gustave Levy Place, New York, NY 10029.
- What is Sydney Ostrofsky's phone number?
- The practice phone number listed in the NPPES registry for Sydney Ostrofsky is (212) 241-6500.
- Does Sydney Ostrofsky accept Medicare?
- Sydney Ostrofsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Ostrofsky's NPI active?
- Yes — Sydney Ostrofsky's NPI (1063189439) is active in the NPPES registry as of the last update on 2025-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.