Doctor profile · Federal record

Dr. San Yuan, MD

Anesthesiology Physician (CMS: Anesthesiology) · Walnut Creek, CA

  • NPI 1487682910
  • Accepts Medicare
  • MIPS 58.0 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 939-3000
fax (925) 947-5286
Mailing address
Po Box 7793
San Francisco, CA 941207793

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #G56644
Medicaid
CA #00G566440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487682910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
132
Distinct HCPCS
7
Medicare allowed
$23,927
HCPCS Description Services Patients Avg allowed
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 25 25 $139
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 23 23 $76
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 23 23 $66
01402 Anesthesia for procedure for total knee joint replacement 18 18 $370
01630 Anesthesia for other procedure on top of arm bone and shoulder joint 17 17 $284
01400 Anesthesia for other procedure or exam of knee joint using an endoscope 15 15 $213
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 11 11 $231

In context: peer comparison

Among 28 peers in Walnut Creek Anesthesiology Physician, average services per provider: 70. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. San Yuan's medical specialty?
Dr. San Yuan practices Anesthesiology Physician in Walnut Creek, CA.
Where does Dr. San Yuan practice?
Dr. San Yuan practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259393000.
What is Dr. San Yuan's NPI?
Dr. San Yuan's National Provider Identifier (NPI) is 1487682910, issued by NPPES.
Does Dr. San Yuan accept Medicare assignment?
Yes. Dr. San Yuan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. San Yuan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810); Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.