Defiance Medical PLLC
NPI 1417819970 · Sports Medicine (Physical Medicine & Rehabilitation) Physician · New York, NY
Defiance Medical PLLC is a Sports Medicine (Physical Medicine & Rehabilitation) Physician organization in New York, NY (NPI 1417819970).
Provider details
- NPI number
- 1417819970
- Entity type
- Organization
- Primary specialty
- Sports Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Xiao Wei Liu, Founder(646) 750-0069
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
- 2025-12-02
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Defiance Medical PLLC's NPI number?
- Defiance Medical PLLC's National Provider Identifier (NPI) is 1417819970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Defiance Medical PLLC?
- Defiance Medical PLLC is classified in the NPPES registry as Sports Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Defiance Medical PLLC located?
- Defiance Medical PLLC's practice location on file with NPPES is 8 W 36th St Fl 5, New York, NY 10018-9776.
- What is Defiance Medical PLLC's phone number?
- The practice phone number listed in the NPPES registry for Defiance Medical PLLC is (929) 314-0119.
- Who is the authorized official for Defiance Medical PLLC?
- The authorized official listed on Defiance Medical PLLC's NPPES record is Xiao Wei Liu, Founder. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Defiance Medical PLLC's NPI active?
- Yes — Defiance Medical PLLC's NPI (1417819970) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.