San Yuan, MD
NPI 1487682910 · Anesthesiology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
San Yuan, MD is a Anesthesiology Physician provider in Walnut Creek, CA (NPI 1487682910).
Provider details
- NPI number
- 1487682910
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G56644 (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
87 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 23 | $162 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 15 | $75 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 14 | $125 |
| Anesthesia for Total Hip Replacement01214 | 13 | $361 |
| Anesthesia for Other Procedure on Top of Arm Bone and Shoulder Joint01630 | 11 | $285 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 11 | $68 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is San Yuan's NPI number?
- San Yuan's National Provider Identifier (NPI) is 1487682910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is San Yuan's specialty?
- San Yuan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is San Yuan located?
- San Yuan's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is San Yuan's phone number?
- The practice phone number listed in the NPPES registry for San Yuan is (925) 939-3000.
- Does San Yuan accept Medicare?
- San Yuan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is San Yuan's NPI active?
- Yes — San Yuan's NPI (1487682910) 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.