What is Brian Yu's NPI number?

Brian Yu's National Provider Identifier (NPI) is 1861856361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Brian Yu's specialty?

Brian Yu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Brian Yu located?

Brian Yu's practice location on file with NPPES is 100 Moody Ct Ste 200, Thousand Oaks, CA 91360-6082.

What is Brian Yu's phone number?

The practice phone number listed in the NPPES registry for Brian Yu is (805) 418-3500.

Does Brian Yu accept Medicare?

Brian Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Brian Yu's NPI active?

Yes — Brian Yu's NPI (1861856361) is active in the NPPES registry as of the last update on 2019-11-15.

IndividualActiveAccepts Medicare

Brian Yu, MD

NPI 1861856361 · Internal Medicine Physician · Thousand Oaks, CA

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Brian Yu, MD is a Internal Medicine Physician provider in Thousand Oaks, CA (NPI 1861856361).

Provider details

NPI number: 1861856361
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: A150444 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 150444 (CA)
Allopathic & Osteopathic Physicians
Hospitalist Physician208M00000XLicense A150444 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

100 Moody Ct Ste 200

Thousand Oaks, CA 91360-6082

Phone: (805) 418-3500

Fax: (805) 418-3505

Street-level locationGet directions

More CA providers

Mailing address

5767 W Century Blvd Ste 400

Los Angeles, CA 90045-5631

Additional practice locations (2)

757 Westwood Plz Ste 7501
Los Angeles, CA 90095-1029
Phone: (310) 267-9643
Fax: (310) 267-3840
1250 16th St # C2304
Santa Monica, CA 90404-1249
Phone: (310) 319-4698
Fax: (310) 319-4908

Enumerated: 2016-04-11
Last updated: 2019-11-15

Frequently asked questions

What is Brian Yu's NPI number?: Brian Yu's National Provider Identifier (NPI) is 1861856361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Brian Yu's specialty?: Brian Yu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Brian Yu located?: Brian Yu's practice location on file with NPPES is 100 Moody Ct Ste 200, Thousand Oaks, CA 91360-6082.
What is Brian Yu's phone number?: The practice phone number listed in the NPPES registry for Brian Yu is (805) 418-3500.
Does Brian Yu accept Medicare?: Brian Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Brian Yu's NPI active?: Yes — Brian Yu's NPI (1861856361) is active in the NPPES registry as of the last update on 2019-11-15.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.