What is Harry Loo's NPI number?

Harry Loo's National Provider Identifier (NPI) is 1639219363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harry Loo's specialty?

Harry Loo is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Harry Loo located?

Harry Loo's practice location on file with NPPES is 2796 Sycamore Dr, Simi Valley, CA 93065-1546.

What is Harry Loo's phone number?

The practice phone number listed in the NPPES registry for Harry Loo is (805) 522-7955.

Is Harry Loo's NPI active?

Yes — Harry Loo's NPI (1639219363) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Harry Loo, M.D.

NPI 1639219363 · Ophthalmology Physician · Simi Valley, CA

Harry Loo, M.D. is a Ophthalmology Physician provider in Simi Valley, CA (NPI 1639219363).

Provider details

NPI number: 1639219363
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: G29817 (CA)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense G29817 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

2796 Sycamore Dr

Suite 101

Simi Valley, CA 93065-1546

Phone: (805) 522-7955

Fax: (805) 522-8272

Street-level locationGet directions

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Mailing address