Chung Yao Yu, MD
NPI 1265886436 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung Yao Yu, MD is a Internal Medicine Physician provider in Sacramento, CA (NPI 1265886436).
Provider details
- NPI number
- 1265886436
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 311 | 125 |
| Losartan Potassium | 225 | 77 |
| Amlodipine Besylate | 222 | 82 |
| Gabapentin | 188 | 76 |
| Levothyroxine Sodium | 155 | 56 |
| Metformin Hcl | 155 | 64 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 12 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
- 2016-04-14
- Last updated
- 2023-01-26
- Certified
- 2023-01-26
Frequently asked questions
- What is Chung Yao Yu's NPI number?
- Chung Yao Yu's National Provider Identifier (NPI) is 1265886436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung Yao Yu's specialty?
- Chung Yao Yu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chung Yao Yu located?
- Chung Yao Yu's practice location on file with NPPES is 1020 29th St Ste 480, Sacramento, CA 95816-5173.
- What is Chung Yao Yu's phone number?
- The practice phone number listed in the NPPES registry for Chung Yao Yu is (916) 733-3777.
- Does Chung Yao Yu accept Medicare?
- Chung Yao Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung Yao Yu's NPI active?
- Yes — Chung Yao Yu's NPI (1265886436) is active in the NPPES registry as of the last update on 2023-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.