Doctor profile · Federal record

Dr. Devin Tsai, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Oakland, CA

  • NPI 1962609958
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3600 Broadway
Oakland, CA 946115730
(510) 882-7242
Mailing address
6363 Clark Ave
Dublin, CA 945683001

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
May 8, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #11450 · Rhode Island #DO00656
Medicaid (2)
MA #110085510A · RI #DT81045

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962609958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
3
Medicare allowed
$11,693
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 50 48 $185
99283 Emergency department visit with low level of medical decision making 13 12 $77
99284 Emergency department visit with moderate level of medical decision making 11 11 $129

In context: peer comparison

Among 71 peers in this city , average services per provider: 73. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Devin Tsai's medical specialty?
Dr. Devin Tsai practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Devin Tsai practice?
Dr. Devin Tsai practices at 3600 Broadway, Oakland, CA 946115730. Office phone: 5108827242.
What is Dr. Devin Tsai's NPI?
Dr. Devin Tsai's National Provider Identifier (NPI) is 1962609958, issued by NPPES.
Does Dr. Devin Tsai accept Medicare assignment?
Yes. Dr. Devin Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Devin Tsai commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.