Brandon Koo, MD
NPI 1104400373 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brandon Koo, MD is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1104400373).
Provider details
- NPI number
- 1104400373
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A206124 (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
5 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
- 2021-05-12
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Brandon Koo's NPI number?
- Brandon Koo's National Provider Identifier (NPI) is 1104400373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Koo's specialty?
- Brandon Koo is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brandon Koo located?
- Brandon Koo's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Brandon Koo's phone number?
- The practice phone number listed in the NPPES registry for Brandon Koo is (415) 514-5681.
- Does Brandon Koo accept Medicare?
- Brandon Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brandon Koo's NPI active?
- Yes — Brandon Koo's NPI (1104400373) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.