Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Orthoninja LLC

Q: What type of organization is Orthoninja LLC?

Orthoninja LLC is registered in NPPES as a Orthopaedic Surgery Physician (its primary provider taxonomy).

Orthopaedic Surgery Physician in Newton, MA · enumerated 2026 · authorized official Eric Fu, Ceo/Surgeon.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831041433

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Registry record

Entity type Organization (Type 2)

Legal business name Orthoninja LLC

Practice address 50 Elmhurst Rd, Newton, MA, 02458

Phone (650) 387-5729

Enumeration date Feb 14, 2026

Last updated in NPPES Feb 14, 2026

Taxonomy & classification

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Eric Fu

Title Ceo/Surgeon

Phone (650) 387-5729

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Orthoninja LLC?

Orthoninja LLC is registered in NPPES as a Orthopaedic Surgery Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Sara Yen, Rdn Registered Dietitian · Newton, MA NPI 1205687092

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-14.