Chi Du, M.D.
NPI 1669415857 · Family Medicine Physician · Yuba City, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chi Du, M.D. is a Family Medicine Physician provider in Yuba City, CA (NPI 1669415857).
Provider details
- NPI number
- 1669415857
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A78856 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
630 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 | 487 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 143 | $89 |
Typical Medicare-allowed amounts for these services range $89–$130 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 177 | 62 |
| Gabapentin | 138 | 42 |
| Levothyroxine Sodium | 121 | 35 |
| Atorvastatin Calcium | 110 | 32 |
| Omeprazole | 107 | 32 |
| Metformin Hclbrand: Metformin Hcl Er | 86 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$424 across 6 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
- 2006-06-14
- Last updated
- 2012-03-28
Frequently asked questions
- What is Chi Du's NPI number?
- Chi Du's National Provider Identifier (NPI) is 1669415857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chi Du's specialty?
- Chi Du is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chi Du located?
- Chi Du's practice location on file with NPPES is 1172 Live Oak Blvd, Yuba City, CA 95991-3407.
- What is Chi Du's phone number?
- The practice phone number listed in the NPPES registry for Chi Du is (530) 673-3391.
- Does Chi Du accept Medicare?
- Chi Du is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chi Du's NPI active?
- Yes — Chi Du's NPI (1669415857) is active in the NPPES registry as of the last update on 2012-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.