Brian Kwok, M.D.
NPI 1861641904 · Anatomic Pathology & Clinical Pathology Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Kwok, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Los Angeles, CA (NPI 1861641904).
Provider details
- NPI number
- 1861641904
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A99561 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2008-09-12
- Last updated
- 2008-09-12
Frequently asked questions
- What is Brian Kwok's NPI number?
- Brian Kwok's National Provider Identifier (NPI) is 1861641904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Kwok's specialty?
- Brian Kwok is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Kwok located?
- Brian Kwok's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90033-1029.
- What is Brian Kwok's phone number?
- The practice phone number listed in the NPPES registry for Brian Kwok is (323) 226-7148.
- Does Brian Kwok accept Medicare?
- Brian Kwok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Kwok's NPI active?
- Yes — Brian Kwok's NPI (1861641904) is active in the NPPES registry as of the last update on 2008-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.