Doctor profile · Federal record

Dr. Steven Sornsin, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Oakland, CA

  • NPI 1821056185
  • Accepts Medicare
  • MIPS 90.0 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Hawthorne Avenue
Oakland, CA 946093108
(510) 655-4000
Mailing address
Po Box 12469
Westminster, CA 926852469

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 20, 2026
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #G59897
Medicaid
CA #00G598970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821056185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
262
Distinct HCPCS
5
Medicare allowed
$29,264
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 79 74 $9
99285 Emergency department visit with high level of medical decision making 77 77 $190
99284 Emergency department visit with moderate level of medical decision making 69 69 $131
99291 Critical care, first 30-74 minutes 20 20 $236
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 17 17 $8

In context: peer comparison

Among 71 peers in this city , average services per provider: 73. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
74
Total drug cost
$420
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $101
Ibuprofen Generic 15 15 $85
Prednisone Generic 15 14 $46
Cephalexin Generic 14 14 $152
Ondansetron Hcl Generic 12 12 $36

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Sornsin's medical specialty?
Dr. Steven Sornsin practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Steven Sornsin practice?
Dr. Steven Sornsin practices at 350 Hawthorne Avenue, Oakland, CA 946093108. Office phone: 5106554000.
What is Dr. Steven Sornsin's NPI?
Dr. Steven Sornsin's National Provider Identifier (NPI) is 1821056185, issued by NPPES.
Does Dr. Steven Sornsin accept Medicare assignment?
Yes. Dr. Steven Sornsin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Sornsin commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.