Doctor profile · Federal record

Dr. Yolanda Tam, MD

Anesthesiology Physician (CMS: Anesthesiology) · Castro Valley, CA

  • NPI 1174646509
  • Accepts Medicare
  • MIPS 66.0 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 537-1234
Mailing address
Po Box 7793
San Francisco, CA 941207793

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A7773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174646509. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
2
Medicare allowed
$10,395
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 67 60 $137
01938 Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 11 11 $113

In context: peer comparison

Among 9 peers in Castro Valley Anesthesiology Physician, average services per provider: 32. This provider delivers 2.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Yolanda Tam's medical specialty?
Dr. Yolanda Tam practices Anesthesiology Physician in Castro Valley, CA.
Where does Dr. Yolanda Tam practice?
Dr. Yolanda Tam practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5105371234.
What is Dr. Yolanda Tam's NPI?
Dr. Yolanda Tam's National Provider Identifier (NPI) is 1174646509, issued by NPPES.
Does Dr. Yolanda Tam accept Medicare assignment?
Yes. Dr. Yolanda Tam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yolanda Tam commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (HCPCS 01938). Source: CMS Medicare Physician & Other Practitioners file.