What is Ruifei Xu's NPI number?

Ruifei Xu's National Provider Identifier (NPI) is 1669052973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruifei Xu's specialty?

Ruifei Xu is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Ruifei Xu located?

Ruifei Xu's practice location on file with NPPES is 111 E 210th St, Bronx, NY 10467-2401.

What is Ruifei Xu's phone number?

The practice phone number listed in the NPPES registry for Ruifei Xu is (718) 741-2426.

Is Ruifei Xu's NPI active?

Yes — Ruifei Xu's NPI (1669052973) is active in the NPPES registry as of the last update on 2026-03-01.

IndividualActive

Ruifei Xu, MD

NPI 1669052973 · Pediatrics Physician · Bronx, NY

Ruifei Xu, MD is a Pediatrics Physician provider in Bronx, NY (NPI 1669052973).

Provider details

NPI number: 1669052973
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 329261-01 (NY)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 329261-01 (NY)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 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

111 E 210th St

Bronx, NY 10467-2401

Phone: (718) 741-2426

Street-level locationGet directions

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Mailing address