Doctor profile · Federal record

Dr. Seiji Yamada, M.D.

Family Medicine Physician (CMS: Family Practice) · Mililani, HI

  • NPI 1245300904
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
95-390 Kuahelani Ave
Mililani, HI 967891192
(808) 627-3200
fax (808) 623-7872
Mailing address
95-1107 Kopalani St
Mililani, HI 967894867

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 29, 2011
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Hawaii #MD - 8582

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245300904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
2
Medicare allowed
$13,036
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 77 63 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 46 42 $133

In context: peer comparison

Among 11 peers in Mililani Family Medicine Physician, average services per provider: 59. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$164
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $163.74

By nature of payment

Food and Beverage
$164

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
448
Patients
225
Total drug cost
$48,638
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 120 69 $2,661
Amlodipine Besylate Generic 62 46 $1,071
Losartan Potassium Generic 49 29 $1,434
Metformin Hcl Generic 38 19 $606
Lisinopril Generic 26 15 $412
Jardiance (Empagliflozin) Brand 22 11 $26,598
Metoprolol Succinate Generic 19 14 $756
Levothyroxine Sodium Generic 17 11 $314
Allopurinol Generic 16 0 $185
Metformin Hcl ER (Metformin Hcl) Brand 15 11 $512

Frequently asked questions

Auto-generated from federal data
What is Dr. Seiji Yamada's medical specialty?
Dr. Seiji Yamada practices Family Medicine Physician in Mililani, HI.
Where does Dr. Seiji Yamada practice?
Dr. Seiji Yamada practices at 95-390 Kuahelani Ave, Mililani, HI 967891192. Office phone: 8086273200.
What is Dr. Seiji Yamada's NPI?
Dr. Seiji Yamada's National Provider Identifier (NPI) is 1245300904, issued by NPPES.
Does Dr. Seiji Yamada accept Medicare assignment?
Yes. Dr. Seiji Yamada accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seiji Yamada commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.