Doctor profile · Federal record

Dr. Mikio Tachibana, MD

Internal Medicine Physician (CMS: Internal Medicine) · Fountain Valley, CA

  • NPI 1598721227
  • MIPS 89.7 / 100 · 2023
  • 48 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11100 Warner Ave, Suite 154
Fountain Valley, CA 92708
(714) 966-2800
fax (714) 966-0421

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A35433
Medicaid
CA #00A354330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598721227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,415
Distinct HCPCS
10
Medicare allowed
$153,841
HCPCS Description Services Patients Avg allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg 1,852 11 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 283 161 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 246 130 $90
36415 Insertion of needle into vein for collection of blood sample 148 79 $8
G0008 Administration of influenza virus vaccine 133 132 $33
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 131 130 $72
20610 Aspiration and/or injection of fluid from large joint 117 19 $67
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 104 104 $133
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 76 70 $15
99215 Established patient office or other outpatient visit, 40-54 minutes 75 57 $184

In context: peer comparison

Among 36 peers in this city , average services per provider: 345. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,112
Transactions
28
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 17 $606.55
Inari Medical, Inc. 1 $176.73
Amgen Inc. 3 $166.40
Lilly USA, LLC 3 $77.11
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $29.93
SCILEX PHARMACEUTICALS INC. 1 $19.71
Novo Nordisk Inc 1 $18.24
Merck Sharp & Dohme LLC 1 $17.01

By nature of payment

Food and Beverage
$1,112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,807
Patients
857
Total drug cost
$42,973
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 537 167 $6,216
Amlodipine Besylate Generic 387 129 $2,989
Losartan Potassium Generic 309 94 $3,936
Rosuvastatin Calcium Generic 221 62 $11,900
Metformin Hcl Generic 147 43 $1,430
Levothyroxine Sodium Generic 136 32 $2,668
Tamsulosin Hcl Generic 136 45 $2,407
Simvastatin Generic 134 41 $1,065
Metoprolol Succinate Generic 132 34 $2,728
Metformin Hcl Er (Metformin Hcl) Brand 127 40 $1,981

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mikio Tachibana's medical specialty?
Dr. Mikio Tachibana practices Internal Medicine Physician in Fountain Valley, CA.
Where does Dr. Mikio Tachibana practice?
Dr. Mikio Tachibana practices at 11100 Warner Ave, Fountain Valley, CA 92708. Office phone: 7149662800.
What is Dr. Mikio Tachibana's NPI?
Dr. Mikio Tachibana's National Provider Identifier (NPI) is 1598721227, issued by NPPES.
Does Dr. Mikio Tachibana accept Medicare assignment?
Dr. Mikio Tachibana does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mikio Tachibana commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg (HCPCS J7320); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.