What is Warren Phan's NPI number?

Warren Phan's National Provider Identifier (NPI) is 1912830704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Warren Phan's specialty?

Warren Phan is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Warren Phan located?

Warren Phan's practice location on file with NPPES is 21015 Pathfinder Rd Ste 100, Diamond Bar, CA 91765-4002.

What is Warren Phan's phone number?

The practice phone number listed in the NPPES registry for Warren Phan is (909) 861-3511.

Is Warren Phan's NPI active?

Yes — Warren Phan's NPI (1912830704) is active in the NPPES registry as of the last update on 2026-06-03.

IndividualActive

Warren Phan

NPI 1912830704 · Physical Therapist · Diamond Bar, CA

Warren Phan is a Physical Therapist provider in Diamond Bar, CA (NPI 1912830704).

Provider details

NPI number: 1912830704
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physical TherapistPrimary225100000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Basic profile(46/100 index)

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
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

21015 Pathfinder Rd Ste 100

Diamond Bar, CA 91765-4002

Phone: (909) 861-3511

Street-level locationGet directions

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Mailing address