Nathaniel Hsu, MD
NPI 1235420282 · Anesthesiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Hsu, MD is a Anesthesiology Physician provider in Philadelphia, PA (NPI 1235420282).
Provider details
- NPI number
- 1235420282
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD454315 (PA)
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
15 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
- 2011-04-26
- Last updated
- 2024-04-22
- Certified
- 2024-04-22
Frequently asked questions
- What is Nathaniel Hsu's NPI number?
- Nathaniel Hsu's National Provider Identifier (NPI) is 1235420282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Hsu's specialty?
- Nathaniel Hsu is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Hsu located?
- Nathaniel Hsu's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4206.
- What is Nathaniel Hsu's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Hsu is (215) 662-7310.
- Does Nathaniel Hsu accept Medicare?
- Nathaniel Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Hsu's NPI active?
- Yes — Nathaniel Hsu's NPI (1235420282) is active in the NPPES registry as of the last update on 2024-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.