Gene Choi, MD
NPI 1164699120 · Orthopaedic Surgery Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gene Choi, MD is a Orthopaedic Surgery Physician provider in Riverside, CA (NPI 1164699120).
Provider details
- NPI number
- 1164699120
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 236801 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
529 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 261 | $93 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 136 | $67 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 105 | $171 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $131 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 11 | $1,300 |
Typical Medicare-allowed amounts for these services range $67–$1,300 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 136 | 79 |
| Cefadroxil | 100 | 82 |
| Tramadol Hcl | 90 | 31 |
| Ibuprofen | 73 | 28 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 66 | 30 |
| Gabapentin | 38 | — |
| Meloxicam | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (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
- 2008-05-09
- Last updated
- 2025-04-11
- Certified
- 2025-04-11
Frequently asked questions
- What is Gene Choi's NPI number?
- Gene Choi's National Provider Identifier (NPI) is 1164699120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gene Choi's specialty?
- Gene Choi is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gene Choi located?
- Gene Choi's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2615.
- What is Gene Choi's phone number?
- The practice phone number listed in the NPPES registry for Gene Choi is (951) 782-3764.
- Does Gene Choi accept Medicare?
- Gene Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gene Choi's NPI active?
- Yes — Gene Choi's NPI (1164699120) is active in the NPPES registry as of the last update on 2025-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.