What is Joseph Chien's NPI number?

Joseph Chien's National Provider Identifier (NPI) is 1528267325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joseph Chien's specialty?

Joseph Chien is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Joseph Chien located?

Joseph Chien's practice location on file with NPPES is 14445 Olive View Dr Rm 6b119-H, Sylmar, CA 91342-1437.

What is Joseph Chien's phone number?

The practice phone number listed in the NPPES registry for Joseph Chien is (818) 364-3031.

Is Joseph Chien's NPI active?

Yes — Joseph Chien's NPI (1528267325) is active in the NPPES registry as of the last update on 2011-01-28.

IndividualActive

Joseph Chien, D.O.

NPI 1528267325 · Psychiatry Physician · Sylmar, CA

Joseph Chien, D.O. is a Psychiatry Physician provider in Sylmar, CA (NPI 1528267325).

Provider details

NPI number: 1528267325
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
Sole proprietor: Yes
License: 20A10679 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense 20A10679 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
18 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

14445 Olive View Dr Rm 6b119-H

Sylmar, CA 91342-1437

Phone: (818) 364-3031

Street-level locationGet directions

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Mailing address