Doctor profile · Federal record

Dr. Mariko Nomura

Emergency Medicine Physician · Oakland, CA

  • NPI 1376977298
  • 13 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1411 E 31St St, Qic 22123
Oakland, CA 946021018
(510) 437-4564

Credentials & registration

NPPES · NUCC
NPI registered
August 2013 — 13 yrs on file
Profile last updated
October 10, 2019
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A154436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376977298. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
4
Medicare allowed
$10,152
HCPCS Description Services Patients Avg allowed
99283 Emergency department visit with low level of medical decision making 55 52 $70
99284 Emergency department visit with moderate level of medical decision making 37 35 $117
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 11 11 $8
99285 Emergency department visit with high level of medical decision making 11 11 $171

In context: peer comparison

Among 71 peers in this city , average services per provider: 73. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$79
Drug Type Claims Patients Total cost
Ibuprofen Generic 16 16 $79

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariko Nomura's medical specialty?
Dr. Mariko Nomura practices Emergency Medicine Physician in Oakland, CA.
Where does Dr. Mariko Nomura practice?
Dr. Mariko Nomura practices at 1411 E 31St St, Oakland, CA 946021018. Office phone: 5104374564.
What is Dr. Mariko Nomura's NPI?
Dr. Mariko Nomura's National Provider Identifier (NPI) is 1376977298, issued by NPPES.
What procedures does Dr. Mariko Nomura commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.