Patrick Yao, MD
NPI 1235159377 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Yao, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1235159377).
Provider details
- NPI number
- 1235159377
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65613 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,516 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 1,024 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 467 | $17 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 193 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 189 | $52 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 187 | $21 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 911 | 272 |
| Amlodipine Besylate | 556 | 167 |
| Metformin Hcl | 344 | 100 |
| Losartan Potassium | 296 | 89 |
| Levothyroxine Sodium | 270 | 71 |
| Rosuvastatin Calcium | 250 | 83 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2010-07-23
Frequently asked questions
- What is Patrick Yao's NPI number?
- Patrick Yao's National Provider Identifier (NPI) is 1235159377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Yao's specialty?
- Patrick Yao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Yao located?
- Patrick Yao's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095-3075.
- What is Patrick Yao's phone number?
- The practice phone number listed in the NPPES registry for Patrick Yao is (310) 206-8000.
- Does Patrick Yao accept Medicare?
- Patrick Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Yao's NPI active?
- Yes — Patrick Yao's NPI (1235159377) is active in the NPPES registry as of the last update on 2010-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.