Isaac Siew, MD
NPI 1124260732 · Emergency Medicine Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Siew, MD is a Emergency Medicine Physician provider in Rochester, NY (NPI 1124260732).
Provider details
- NPI number
- 1124260732
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q0364 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-03-27
- Last updated
- 2024-04-24
- Certified
- 2024-02-12
Frequently asked questions
- What is Isaac Siew's NPI number?
- Isaac Siew's National Provider Identifier (NPI) is 1124260732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Siew's specialty?
- Isaac Siew is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Siew located?
- Isaac Siew's practice location on file with NPPES is 601 Elmwood Ave Box 655, Rochester, NY 14642-0001.
- What is Isaac Siew's phone number?
- The practice phone number listed in the NPPES registry for Isaac Siew is (585) 463-2940.
- Does Isaac Siew accept Medicare?
- Isaac Siew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Siew's NPI active?
- Yes — Isaac Siew's NPI (1124260732) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.