Doctor profile · Federal record

Dr. Ami Yamamoto

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

  • NPI 1447511308
  • Accepts Medicare
  • MIPS 90.0 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2450 Ashby Ave
Berkeley, CA 947052067
(510) 204-4723
fax (510) 204-4816

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
February 12, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A128047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447511308. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
548
Distinct HCPCS
7
Medicare allowed
$62,340
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 207 190 $9
99285 Emergency department visit with high level of medical decision making 138 136 $190
99291 Critical care, first 30-74 minutes 67 67 $236
99284 Emergency department visit with moderate level of medical decision making 49 48 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 44 $196
99292 Critical care, each additional 30 minutes 27 17 $119
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 16 15 $8

In context: peer comparison

Among 16 peers in Berkeley Emergency Medicine Physician, average services per provider: 94. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
33
Total drug cost
$193
Drug Type Claims Patients Total cost
Cephalexin Generic 12 11 $106
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 11 $67
Prednisone Generic 11 11 $20

Frequently asked questions

Auto-generated from federal data
What is Dr. Ami Yamamoto's medical specialty?
Dr. Ami Yamamoto practices Emergency Medicine Physician in Berkeley, CA.
Where does Dr. Ami Yamamoto practice?
Dr. Ami Yamamoto practices at 2450 Ashby Ave, Berkeley, CA 947052067. Office phone: 5102044723.
What is Dr. Ami Yamamoto's NPI?
Dr. Ami Yamamoto's National Provider Identifier (NPI) is 1447511308, issued by NPPES.
Does Dr. Ami Yamamoto accept Medicare assignment?
Yes. Dr. Ami Yamamoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ami Yamamoto 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.