Andy Yu, M.D.
NPI 1427136266 · Specialist · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Yu, M.D. is a Specialist provider in San Jose, CA (NPI 1427136266).
Provider details
- NPI number
- 1427136266
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G79122 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
688 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 | 170 | $148 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 159 | $108 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 123 | $192 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 105 | $77 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 89 | $252 |
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 |
|---|---|---|
| Famotidine | 178 | 59 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 178 | 175 |
| Tenofovir Alafenamidebrand: Vemlidy | 162 | 15 |
| Omeprazole | 152 | 83 |
| Entecavir | 50 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 28 | 28 |
| Mesalaminebrand: Mesalamine Er | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,382 across 45 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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Andy Yu's NPI number?
- Andy Yu's National Provider Identifier (NPI) is 1427136266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Yu's specialty?
- Andy Yu is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Andy Yu located?
- Andy Yu's practice location on file with NPPES is 2101 Forest Ave Ste 106, San Jose, CA 95128-1472.
- What is Andy Yu's phone number?
- The practice phone number listed in the NPPES registry for Andy Yu is (408) 286-3222.
- Does Andy Yu accept Medicare?
- Andy Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Yu's NPI active?
- Yes — Andy Yu's NPI (1427136266) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.