Brian Choi, M.D.
NPI 1386602720 · Specialist · Riverside, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Choi, M.D. is a Specialist provider in Riverside, CA (NPI 1386602720).
Provider details
- NPI number
- 1386602720
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A104454 (CA)
Specialties & taxonomies
Other Service Providers
- Specialist174400000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,160 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 349 | $132 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 132 | $138 |
| Assessment of Emotional Or Behavioral Problems96127 | 119 | $5 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 94 | $30 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 77 | $29 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 102 | 40 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 17 |
| Dexamethasone Sodium Phosphate | 50 | 17 |
| Palonosetron Hcl | 39 | 14 |
| Famotidine | 38 | 18 |
| Fosaprepitant Dimeglumine | 38 | 13 |
| Zanubrutinibbrand: Brukinsa | 37 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,570 across 303 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2020-01-23
- Certified
- 2020-01-23
Frequently asked questions
- What is Brian Choi's NPI number?
- Brian Choi's National Provider Identifier (NPI) is 1386602720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Choi's specialty?
- Brian Choi is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Brian Choi located?
- Brian Choi's practice location on file with NPPES is 4500 Brockton Avenue, Riverside, CA 92501.
- What is Brian Choi's phone number?
- The practice phone number listed in the NPPES registry for Brian Choi is (951) 276-2760.
- Does Brian Choi accept Medicare?
- Brian Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Choi's NPI active?
- Yes — Brian Choi's NPI (1386602720) is active in the NPPES registry as of the last update on 2020-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.