Nathanael Leo, MD
NPI 1477947497 · Anesthesiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathanael Leo, MD is a Anesthesiology Physician provider in New York, NY (NPI 1477947497).
Provider details
- NPI number
- 1477947497
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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
11 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
- 2015-03-27
- Last updated
- 2020-05-05
- Certified
- 2020-05-05
Frequently asked questions
- What is Nathanael Leo's NPI number?
- Nathanael Leo's National Provider Identifier (NPI) is 1477947497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathanael Leo's specialty?
- Nathanael Leo is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathanael Leo located?
- Nathanael Leo's practice location on file with NPPES is 550 First Avenue, New York, NY 10016.
- What is Nathanael Leo's phone number?
- The practice phone number listed in the NPPES registry for Nathanael Leo is (212) 263-5506.
- Does Nathanael Leo accept Medicare?
- Nathanael Leo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathanael Leo's NPI active?
- Yes — Nathanael Leo's NPI (1477947497) is active in the NPPES registry as of the last update on 2020-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.